
Akegawa Manatsu, a normal high school girl, and her friends are stuck in school and can't escape, due to some unknown phenomenon. While trying to escape they encounter mysterious things.
Ma-na-tsu Labyrinth / Midsummer Labyrinth / まなつラビリンス / 真夏的迷宮 / 真夏的迷宫 / 마나쓰 미로