Tomodachi to Jikken Shite Miru Hon. Kouhen | A book about experimenting with your friend, part 2 Pics [毛糸の森 (うーる)] 友だちと実験してみる本。 後編 [英訳] [DL版]

(C91) [EXTENDED PART (Endo Yoshiki)] Asuka-senpai ni Hidoi Koto o Suru Hon (Hibike! Euphonium) [Chinese] [空気系☆漢化]

[Hontoku] Saotsuki Honey to Doukyo Seikatsu Ch. 1-3 [Chinese][黄记汉化组]

[Keito no Mori (Wool)] Tomodachi to Jikken Shite Miru Hon. Kouhen | A book about experimenting with your friend, part 2 [English] {Chin²} [Digital]

(ABC4) [Urakata Honpo (Sink)] Urabambi Vol. 32 - Honey Crush (Cutey Honey)

Tomodachi to Jikken Shite Miru Hon. Zenpen | A book about experimenting with your friend, part one

Commission Artbook vol.1

(C91) [EXTENDED PART (Endo Yoshiki)] Asuka-senpai ni Hidoi Koto o Suru Hon (Hibike! Euphonium)

Meiling ni Kawaigarareru Sakuya-san ga Mitai Hon | A book about Sakuya getting sweet with Meiling

(C80) [Part K] Sena to Tomodachi ni Naru Houhou (Boku wa Tomodachi ga Sukunai)

(C91) [EXTENDED PART (Endo Yoshiki)] Asuka-senpai ni Hidoi Koto o Suru Hon | A Story Where You Do Something Cruel To Asuka-Senpai (Hibike! Euphonium) [English] {doujins.com}