Souta and Doumoto have finally moved together. However, the couple's happiness is short-lived since Souta's older sister, Kozue, unexpectedly goes to her brother for asylum after arguing with their parents and running away from home. Souta will end up developing jealousy towards her sister since he believes Doumoto is interested in her.
Sequel depicting the innocent love of boy and girl high school students who are into S&M, based on the popular manga. Directed by school drama maestro Shimizu Atsushi, who also handled the first installation. Nana (Aono Miku), a model student who serves as student council vice-president, and run-of-the-mill virginal high schooler Kaoru (Tochihara Rakuto) are childhood friends. They embark on regular S&M play dates in secret as a stress release for Nana. For spring break, Nana goes on a school trip to a power spot in Nagano planned by the student council. Kaoru joins her, and a change occurs in their feelings.