Kosuzu Hentai [歯昆布] 小鈴 (東方Project)

(Reitaisai 14) [Kitsune to Budou (Kurona)] Sayonara Kosuzu-chan (Touhou Project)

(Puniket 26) [Honeybee-Tea (Kosuzu)] Gouhou Koibito Play (Cardcaptor Sakura)

(Shuuki Reitaisai 4) [110-GROOVE (Itou Yuuji)] Akyuu to Kosuzu no Itte miyou Yatte miyou (Touhou Project)

(Shuuki Reitaisai) [Kitsune to Budou (Kurona)] Kosuzu-chan to Mamizou-san no Dokidoki Fudeoroshi Lesson | Heart-throbbing virginity loss lesson with Kosuzu-chan and Mamizou-san (Touhou Project) [English] [cazzeggione]

(Reitaisai 13) [Dot Eito (Sawayaka Samehada)] Kosuzu-chan to Sukebe Suru Hon (Touhou Project) [English] [Fuwa ☆ Fuwa translations]

(Shuuki Reitaisai 4) [110-GROOVE (Itou Yuuji)] Akyuu to Kosuzu no Itte miyou Yatte miyou (Touhou Project)

(Reitaisai 14) [Kitsune to Budou (Kurona)] Sayonara Kosuzu-chan (Touhou Project) [Chinese] [沒有漢化]

(Reitaisai 14) [Kitsune to Budou (Kurona)] Sayonara Kosuzu-chan (Touhou Project) [Chinese] [CE家族社]

(Reitaisai 12) [Public Planet (Coaster)] KosuKosuzux (Touhou Project)

(ONE→HUNDRED 4) [Honeybee-Tea (Kosuzu)] Onaka no Naka ni wa Chou ga Iru (Mob Psycho 100)