I was rolling around in bed and hugging a pillow when I felt some pain in my chest. Curious, I tried rubbing it to investigate. My previously sleepy eyes immediately shot open. I leapt out of bed and threw my pajamas off before standing in front of the full length mirror. I wasn't imagining it!

"Kyaaaaaa!"

"Ojou-sama!" Lescia barged into my room. "What's wrong?!"

"Lescia! I have boobs! I finally have boobs!" I squealed with delight as I massaged my chest. They were still tiny buds, but they were still boobs! I had waited over a lifetime for them! Thank you whatever deity out there let me be a girl in this life!

"Um, con...gratulations?" Lescia looked like she was trying not to laugh. "You're certainly a growing girl, ojou-sama."

"Will I need a bigger bra now?"

"I believe it is too early for that."

"Muu." I pouted.

Lescia giggled. "Don't worry, I'm sure that they'll grow soon."

"Will they become big like yours?" I stared at Lescia's delicious chest.

Lescia's jaw tilted and she took a step back. "Um, I'm not sure."

I raised my hands in front of my face. "Can I touch them?"

"Eh?!" Lescia blushed and sighed. "Yes."

I immediately lunged forward and grabbed her boobs, rubbing my face into them as I fondled and squeezed them. Even through the fabric, the feeling of my fingers sinking into her soft squishy breasts was incredible. "This feels so good~"

Lescia spoiled me for a while before pulling my hands off. "Ojou-sama, if you don't get changed soon you'll be late."

"Okaaay."

Lescia helped me get dressed and we went through our usual morning routine before I headed off to the castle. Summer was in full swing, and I perched my head on the window sill to let the passing wind cool me before I remembered that I can use wind and water magic. I summoned up a mist of water and circulated it through the carriage. I disembarked in the castle grounds looking way more refreshed and happy than everyone else walking around.

"Tia!" Marina grabbed onto me as soon as I entered the mage department's grounds. "Lend me some of that cold air, it's so hoooooooot!"

I laughed and covered both of us in my cold misty wind. "I thought a fire mage would be more used to the heat?"

"Not at all! It might even make it worse!" Marina grumbled.

We went to the section of the department that worked on researching and developing magical tools. I was ecstatic when I discovered that there was magical engineering in this world, and I've been feeding them bits and pieces of knowledge and schematics from my old world under the pretense that it came from some unique magic of mine. Over the past several months I had been slowly brainwash- I mean, encouraging them to try to build a magical mech for dealing against giant monsters. I don't know if anything will come out of it, but dammit I will try!

As part of our training we had made the usual standard magical tools and enchantments, and we were now allowed to experiment around and create different things. I was close to finishing my current project of making magical guns that ran on magic cartridge system. Nobody believed in me, but I'll show them all.

There was a loud commotion and the sound of hurried footsteps. Marina and I looked at each other, and immediately went to find the cause. At the front of the mage department was an out-of-breath royal knight.

"We encountered more monsters in the Aruvian Forest than we expected," he gasped. "There are several injured and we need support!"

The mages ran around trying to gather healing potions to deliver to the front lines, and rounded up any light magic users and combat oriented mages they could find.

"Tiana, could you come with us?" asked one of our supervisor mages.

"It'll take too long by horse," I said. "Many people could die. I'll fly ahead with Marina."

"You two are just apprentices, we can't leave you to go by yourself!"

I summoned a sword out of my Infinite Arsenal and shot it into the ground at his feet. The mage jumped back. "With all due respect sir, I can probably handle myself better than many of the mages here." There were very few people proficient in both swordsmanship and magic.

"I authorize it," Lux said as she appeared from a hallway.

"Director!" the mage protested.

"I trained these two myself, they can take care of themselves." Lux crossed her arms and sighed. "And I have a feeling you two won't listen if I tell you to stay."

I grinned. "You know me well, Director."

"Don't call me by my title only when it suits you!"

I laughed. "Are you coming too?"

"I'll gather the wind mages. You two go on ahead, but only to support and heal, do you understand? Don't go on the offensive until we get there."

I nodded and ran out of the building. "Marina, you don't have to come with me if you're scared."

Marina shook her head. "We're partners, remember?" she smiled. "Where Tia goes, I go."

"Thanks." We linked our hands together. I casted light magic to form Wings of Light on both of our backs to give us a speed boost, and used my wind magic to raise us both into the air. Only a small subset of wind mages had magic strong enough to let them fly. And of that, a smaller subset had enough magic to bring others along. I could bring one more person with me for short distances, but for some reason my range when flying with Marina was really long.

The city and roads sped by below us as we flew. Aruvian Forest was to the southwest of the capital city, and was a dark tangled place inhabited by monsters. Sometimes the monsters would overflow and attack nearby roads and villages, so the knights had to periodically venture in and thin out the horde.

A rising column of smoke ahead of us marked where the battle probably was. Marina launched a burst of fire behind us to speed us up towards it, and we saw the knights arranged in a circular defensive formation surrounded by a sea of monsters. In the middle were several wounded, and some mages that had already depleted their magic.

A tall lumbering horned bear knocked back some knights and broke their formation. It charged in, claws swinging as the knights screamed. We landed behind the knights and I ran with my hands forward. "Wind Barrier!"

The bear's assault was held back by my wind, then it burned to a crisp when Marina launched her fire magic. Marina's hands were covered in flames and held at the ready.

"Set up a firewall around the formation!" I told Marina.

"On it!" Flames rose up and surrounded the knights, keeping the monsters at bay. With Marina's expert control, the blaze was kept from burning inwards toward us.

I walked to where the most critically injured were gathered. "Good job hanging in there." I crouched down and healed a large gash in a soldier's side. "Reinforcements will come soon."

"Tiana-sama!" The knight I saved from the brink of death wept as he thanked me.

When more knights realized that it was me, chants of 'Tiana-sama' and 'Angel-sama' rose up among the crowd. I focused my magic on those in the most critical state. When those were treated, I stood up and weaved my magic together. Light. Water. Wind. "Healing Mist!" I spread my magic out and kept it maintained, healing and refreshing as many knights as I could. The magia drained out of me and I collapsed to my knees, gasping for air.

"Good job." Lux descended from the sky with five wind mages behind her. "Marina, you can extinguish your flames."

Marina sealed her magic and staggered towards me as the wind mages set up a combined defensive wind barrier. She fell down next to me and we sat leaning against each other. "My magic's almost out."

"I'm depleted," I said.

The knights roared and fought with renewed vigor. I studied the swarm of enemies as I waited for my body to absorb magia from the environment. There were revolting monsters of every kind, from giant insects to wolves with crystals growing out of their skin to rotting undead amalgamations.

"How could there be so many?" I muttered. Monsters bred the same way other animals do, and normal animals could become enraged monsters when exposed to too much magia. I had accompanied the knights on small excursions before, but I never saw monsters on this scale gathered in one place. Monster biology and ecology was still a young science though, so I doubt anyone would have answers.

After a while, the rest of the knights and mages that rode on horses arrived at the scene and helped push the monsters back. Marina and I had recovered a decent chunk of magia too, and we helped support where we could. A few knight's weapons broke and I shot new ones from my Infinite Arsenal into the ground next to them. "Use those!"

"Thanks!"

The ground shook and everyone froze. The shaking continued, like they were footsteps. Monsters ran away as something approached. The trees split apart to reveal a giant armored gorilla. Even at a crouching walk on all fours it was three stories tall, if it stood up to full height it would probably be five. The swarm of monsters must have been running away from it when they ran into the knights. The gorilla stood up on its hind legs and roared. If that thing made its way into the capital, there would be no way to recover.

"A battalion-class, no, an army-class?" The knights looked like they were staring death in the face.

"There's no way we can defeat that thing!" said a knight.

"We can't let it get to the city!" yelled the captain. "Stand your ground!"

"Five of you maintain a barrier to stop it," Lux shouted to her mages. "The rest of you, form up on me! Prepare a combined bombardment spell!"

Marina and I couldn't perform combination spells yet, so we were left out.

"At the very least, we'll buy you two enough time to get away," a knight said to us. "You're still young. Don't waste your life here."

"I can't let that get to town either." I grit my teeth.

"If I weaken it with dark magic, will you be able to kill it?" asked Marina. Dark attribute was her specialty, and her magia reserve for dark magic was significantly larger than for her fire magic.

"Dark magic?!" Several of the knights around us shouted.

"It's worth a shot," I said.

Marina nodded and closed her eyes. She chanted under her breath and raised her arms. A purple magic circle spread out from her feet and lit up the area, spraying a purplish black mist into the air. Marina elegantly waved her arms and sent the mist into the giant monster.

The giant gorilla screeched as the mist entered it, and it began to writhe in pain. Parts of its skin was rotting before our eyes, and its armor crumbled. Marina's magic was slowly eating it away from the inside, but it wasn't fast enough. The monster still ravaged against our barriers and knights.

I summoned my Wings of Light and flew at the gorilla. It swung its fists towards me but I weaved and dodged my way through the forest. I buzzed around it like an annoying fly, trying to keep its attention on me and away from the knights fighting below. My magia reserves were probably only enough to sustain my flight, and I didn't have many offensive spells anyways. But I still had my Infinite Arsenal.

I flew above the gorilla and shot a flurry of swords down at it. Its armor was weakend but many of my swords still bounced out of the way, or shattered on impact. A few of them sunk into the monster but it didn't seem to do much harm. And that was even with a gravity assist.

"Tch."

Could I summon a cannon? It didn't work. Gattling gun? Also a no go. Why did my IA have to be so petty at this moment?

The mages below me finished weaving their spell, and a large fireball smashed into the gorilla's chest. Its skin was blown out of the way and its ugly innards were visible, but somehow it was still alive. It roared and smashed against the knights and mages even harder.

I'll just have to brute force it. I pulled out a giant sword bigger than me. Five meters long, thick and heavy. Oh, so now my Infinite Arsenal was cooperating?

I swung it over my head, a feat only possible because IA assisted me in wielding weapons. I flew up into the sky and streaked straight down to the monster, using gravity to add more force into my swing. The giant sword bashed into the gorilla's skull and cleaved its head in two. It kept going, digging into the weakened monster until it got stuck halfway down the gorilla's height. The gorilla finally collapsed into a heap.

I landed on the corpse and pulled the blade out, leaving it hovering in the air behind my back. I curtsied and bowed to the knights.

"Tiana-sama! Tiana-sama!"

"Our Angel!"

"Angel of Swords!"

"I'll forever follow Tiana-sama!"

The knights pumped their fists and weapons in the air as they roared.

I leapt down and walked towards Marina. I held both of her hands and looked around. "I couldn't have done it without Marina's magic, and everyone's support. Be thankful of her dark magic."

"You reckless idiots!" Lux punched both of us in the head when we got back to the castle. "That was dangerous! I told you to stay in the back and only support us!"

Marina and I were made to sit on our knees and bow our heads as the lecture went on and on.