This template is used for articles that is discusses fandom terms exclusively. Please do not add this if the article makes only a passing mention to the fandom. OT5 is the belief that Sanada, Atobe, Tezuka, Fuji, and Ryoma are in a romantic relationship. Sanada is a character from Rikkaidai, who has a rivalry with Atobe, Tezuka, and Ryoma. Atobe, from Hyotei sees the same people as rivals. From Seigaku, Tezuka and Fuji are the most commonly paired males that are paired with Ryoma and each other.