From MangaPlaza:

Haru and Yuki, two childhood friends turned lovers, now share their lives under the same roof. They've been inseparable since they met, and their love for each other knows no bounds. Haru, a big softy, often tries to show off a cooler side to impress Yuki but always ends up fumbling in the most endearing ways. Yuki, however, adores Haru just as he is and knows exactly how cool he can be. Despite their blissful relationship, Yuki begins to worry about their future and how they fit into society's expectations. Together, they embark on a tender journey of love and self-discovery, finding the courage in each other to build a future filled with joy and acceptance.