Lazy sister
Summer Tentacle
[Yuzuki N Dash] Sister Control | Elder Sister Control [English] [Dammon + DesuDesu + QBtranslations]
(Reitaisai 11) [Mebius no Wa (Nyx)] Tentacle Lovers (Touhou Project)
[Modaetei, Abalone Soft (Modaetei Anetarou, Modaetei Imojirou)] Sailor Senshi to Sennou Shokushu | Sailor Scouts and The Brainwashing Tentacle (Bishoujo Senshi Sailor Moon) [English] [uvauva2] [Digital]
(COMIC1☆14) [squeezecandyheaven (Ichihaya)] Imouto wa Genius | My Little Sister Is a Genius [English] {Doujins.com}
Amako vs Tentacle's book
(C71) [Neko iri bako dairi (Maimu-Maimu)] Chokotto H Sister (Chokotto Sister)
(C81) [e☆ALI-aL! (Ariesu Watanabe)] Mori no Shokushu ni Goyoujin | Beware the Forest Tentacles! (Touhou Project) [English] {pesu}
(C88) [Yashiya (YASSY)] Ero Enma to Shokushu 10000-biki | The Sexy Yama and 10000 Tentacles (Touhou Project) [English] [Toks]
[Anthology] Shokushuu Injoku | The Rape of Tentacle Anthology Comics Vol.4 [Digital]
(SC61) [Sisui Sisters (Sisui Kyouko)] Kuroneko (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
[Kisaragi Gunma] Giri Giri Sisters Ch. 1 [English] [SaHa] [Colorized] [Decensored]