Misao (video game)

 is a Japanese survival horror and puzzle game developed by Sen and Miscreant's Room in a freeware and originally released on May 26, 2011. A remastered version was released on Steam on October 25, 2017. The objective of the game is to find the 6 parts of a girl's body in a cursed school.
Plot.
Three months ago, Aki's classmate, Misao, disappeared. It is not known about her whereabouts. Calm and reclusive, this girl was often the target of bullying. Her troubled soul covered the school in a curse that only Aki can break. The game has two endings and an epilogue. The epilogue is unlocked after completing the good ending.