Namaiki Delation

Namaiki Delation is a Japanese erotic visual novel which takes place in a high school.

The player controls Shinjuurou Natsushima, a failing student who learns that his teacher has tricked him into becoming a member of the committee in charge of organizing the upcoming school festival. The other people joining him are his younger sister Misaki, his childhood friend Shiori Nishimura, his kouhai Nagisa Shinkai, and the world-renowned genius Meia Kreutzerung Hakuhou.

Depending on the player's decisions, the game may branch into different routes and result in different endings. The game contains story routes for each of the four main heroines and features Japanese voice acting for all significant characters except the protagonist.