Made up of oneshot sequels and side stories Link to the list of stories. The first story (藤咲忍はかく語りき 桜田先輩改造計画 番外編) is included at the end of Sakurada-senpai Kaizou Ke...

An intense reunion and live-in romance between a former bad boy with a big-brotherly streak, and a horndog who doesn't realize how obsessive he really is! Dumped by his older boyfriend, Junichi finds himself...