Aishigatari Monomanie

After a tragic accident claims the lives of his parents, Yuuya Higuchi is left without a family—until Tooru Saeki steps in. Tooru is the son of the very woman responsible for the fatal incident that shattered Yuuya's world. Despite the heavy burden of their shared past and the undeniable pain connecting them, the two make a quiet pact to move forward together, agreeing to build a life as a makeshift family under one roof. As the days turn into years, their fragile domestic arrangement begins to shift in unexpected ways. The boundaries they established start to blur, giving rise to deep, unspoken emotions that neither can easily define or explain. What began as a mutual agreement rooted in tragedy slowly transforms into something far more complex, leaving both young men to navigate feelings that defy simple categorization. Bound by grief yet drawn together by an inexplicable bond, Yuuya and Tooru must confront the evolving nature of their relationship and decide what it truly means to be a family when the lines between obligation and affection have completely vanished.