�¡Kono Hito to Kekkon Suru Tame Ni John Grey Hakase No Koi No Hajimari Kara Proposal Made Aite No Kimochi Wo Hanasanai Ai No Rule / Original Title: Mars and Venus on a Date(Chiteki Seiki Kata Bunko a 10-5 Watashi No Jikan Series)
�¡John Grey AKIMOTO YASUSHI