Haru and Tamaki Rio, former lovers forced into a political marriage due to the Isurugi family's circumstances, find themselves living together in a dry, formal arrangement. Despite their unresolved feelings, they feign indifference. However, as they navigate this faux marriage, their suppressed emotions resurface, leading to a gradual rekindling of their love. Witness the amusing love story unfold as the ex-couple's fake marital life becomes entangled with both vexation and affection.