3D Kanojo. Tsutsui Hikari is an otaku and mostly avoids social life. Hikari has only one friend in the school, who is also a social misfit, and most of his classmates violently ridicule him for being weird and odd. One day, Igarashi Iroha, who seems to be pretty much hated by people ends up having to clean the school pool. She skips school, has a blunt manner, has no female mates, and seems to be promiscuous of the sort. She's sweet to Hikari, though, and even stands up to the people who are making fun of him. Hikari's anger and confidence issues lead him to tell Iroha pretty harsh things, but she never dismisses him as crazy.