Series by 斧名田マニマニ

A high school boy, Minato, is unexpectedly proposed to by Riko Hanayama, the most popular girl in school, leading to their immediate marriage and cohabitation. Despite believing their arrangement is a contract marriage, Minato is confused by Riko’s devoted behavior, such as preparing his lunches and managing household chores perfectly. Riko’s actions, like getting flustered when Minato questions her dedication, hint at deeper feelings, though both remain unaware of each other’s true emotions. As they navigate their new life together, Minato grapples with his growing affection for Riko while trying to maintain the boundaries of their supposed agreement. Their daily interactions, filled with mutual care and awkward moments, set the stage for a heartfelt exploration of their relationship.