Kasen is a schoolgirl in a "cute apocalypse" setting. Her smile is perfect. Her sailor uniform is stained with mud, coffee, and something darker. Classmates disappear. She is always the last one seen with them. The "dirty U" is the Unspoken classroom rule: never question Kasen.
: A distorted, pleasure-filled expression that contrasts sharply with her modest public persona. Kasen Yurusmaji- A Innocent Smile and a Dirty U...
This is an 18+ title containing explicit erotic content and themes. Kasen is a schoolgirl in a "cute apocalypse" setting