上原亜衣 & 桜井ちんたろう Costar Works

上原亜衣 and 桜井ちんたろう are an established costar duo, teaming up across 3 works from their initial collaboration '原作 同人サークル四畳半書房 母娘の檻 ～地獄の始まり～' (2014) to '緊縛調教記録2 上原亜衣' (2015). Their collaborations are predominantly released under the アタッカーズ label, demonstrating exceptional on-screen chemistry in genres such as 縛り・緊縛・調教.