Are the sexy buttocks not good? Anime Details and Episodes Ainosuke Hizaki (20 years old) is addicted to anal masturbation, which he started out of curiosity. One day when looking at dating sites on the train to… Series info Watch free DetailsFormatMangaStatusAiringSourceOriginalCountryJapan GenresRomance TagsBoys' Love RelatedGUSH 20th Anniversary special project: GUSH x Yamashita RIRI (Related)