Futari no Aniyome  

Destined For Love, Promise, 두명의 형수, ふたりの兄嫁

Shinya's school days were uneventful until Akane, his brother's future wife through an arranged marriage, started attending the same school. They had met when they were younger and made a vow to be together in the future. To win Akane's heart, Shinya asked his sister-in-law for advice on pleasing women. After approaching Akane and starting their romantic relationship, the distance between them gradually decreased, affecting those around them.