壁の中の天使

Monsters invade high schools and attack the students. Female students with supernatural powers fight back. Waning: contains bestiality, futanari, and tentacle rape. Note: Published in 2D Dream Magazine Vol. 16 to 28: - Kabe no Naka no Tenshi Jou (壁の中の天使上) contain Chapters 1-9 reclassified to 2 stories.