Kaidan Toshi Densetsu: Totsuzen Seikaku ga Kawatta Osananajimi to Renai Shitetara Oya ni Naisho de Haramasete shimatta Hanashi
Anime Details and Episodes
Note: It was originally published as a doujinshi and later serialized in two parts in COMIC Mugen Tensei 2026-02, 03.