When the Big Sister Enters the Dream System

What happens when a girl who's just turned fourteen enters an infinite-loop game?

In the future, students who are severely sick of school, have dropped out, or suffer from self-harm and extreme pessimism in their lives will enter horror-game-like scenarios in their dreams. There, they can obtain everything they wish for... But behind it all lies a conspiracy disguised as psychological research...

Theme: Infinite-loop game, inspirational, girls' love, coming-of-age fiction.