Futari no Aniyome · The Sister-in-Law's Secret Lesson Episode 1 / 2
Shinya's life takes a scandalous turn when his brother Shogo introduces his fiancée, Akane. Upon learning that Shogo is reluctant to be intimate with his future wife, Shinya's other sister-in-law, Sayumi, proposes a risky arrangement: Shinya will act as Akane's sexual practice partner. To prepare him, Sayumi provides Shinya with explicit lessons in the school infirmary, leading to a web of secret encounters between Shinya, Akane, and Sayumi.
