For half a year, Naoto and Toudou have been happily involved in a romantic liaison, with Naoto even spending his weekends at Toudou's abode due to their seamless connection. Despite their transparency in regard to their relationship, they feel the need to have a profound discussion with Naoto's mother. However, the conversation takes an unforeseeable turn... Additionally, a one-shot called "Uchi no Tama wa Challenger" is featured.