(C74) [Nihon Dandy (Matsuno Susumo)] Kyou no Taiiku wa Zenra Suiei

[Nihon Dandy (Matsuno Susumu)] Kanon 0.5 seconds after realizing this is a mixed bath + Textless + Bonus

Batsu Game de Mizugi o Bosshuusareru Maruyama | Aya's Swimsuit Is Confiscated As a Punishment Game

(C92) [Nihon Dandy (Matsuno Susumu)] Chotto H na Raesyuu 14 (Various)

(C94) [Nihon Dandy (Matsuno Susumu)] Isekai de Dorei Ichi ni Urareru JK Heroine

[Nihon Dandy (Matsuno Susumo)] Sora to Tokeru Mizugi to Pool Souji (Yosuga no Sora) [Digital]

[Nihon Dandy (Matsuno Susumu)] Supponpon de Chounaikai Camp - Naked with the Neighbourhood Association Camp [English] [Digital]

(C74) [Nihon Dandy (Matsuno Susumu)] Kyou No Taiiku Wa Zenra Suiei [English]

At first glance, it looks like a man swimsuit challenge + Textless + Bonus

(SC57) [Nihon Dandy (Matsuno Susumu)] Nagi Ojousama no Yuukai Houdou (Hayate no Gotoku)