It has a kind of nostalgic feeling, maybe because I'm reading this from the start, it's reminding me of what my first days reading on Tapas felt like back around the time it first launched. Also I'm loving the character design!
Carelessness and gentle peace change into slight anxiety when Mina begins to discover strange anonymous letters. Sent from nowhere, written by nobody, they tell the stories about wonderful, frightening, haunting world of dreams.
Delving into their twisted plot, Mina hopes to find out who stands behind this unwanted mail.