白木優子 & 桜井ちんたろう Costar Works

白木優子 and 桜井ちんたろう are an established costar duo, teaming up across 2 works from their initial collaboration '人妻夜這い祭り ～淫らな慣習に犯された人妻の秘めた性欲～ 白木優子' (2013) to '原作 同人サークル四畳半書房 母娘の檻 ～地獄の始まり～' (2014). Their collaborations are predominantly released under the マドンナ label, demonstrating exceptional on-screen chemistry in genres such as 熟女・人妻・女子校生.