Satomi is invited by a friend to join a popular social networking site. Little does Satomi know that once you join, you can never leave.

Nami receives constant hate email from other kids at school and rarely leaves her room. Only her older sister seems to care about her well-being; After Nami breaks up with her boyfriend, he desperately tries to win her back.

Fat and timid, Ryota constantly feels like the whole world is laughing at him until he meets a cheerful girl named Nanako who befriends him. But when he realizes that Nanako is only playing with him, Ryota reveals the true horror of insecurity.