One Room, Hiatari Futsuu, Tenshi-tsuki.

Shintarou Tokumitsu’s quiet existence is disrupted by the arrival of Towa, an angel dispatched from Heaven to observe humanity. Towa’s gentle nature and earnest curiosity quickly lead her to form a close bond with Shintarou, and she establishes herself in his modest apartment. The unusual living arrangement presents challenges, forcing Shintarou to balance his ordinary life with the responsibility of concealing Towa's divine origins.

The series explores themes of connection and belonging as Shintarou navigates the complexities of caring for a being so different from himself. His interactions with classmates further complicate matters, highlighting the difficulties of maintaining normalcy in extraordinary circumstances. The narrative emphasizes the subtle shifts in everyday life brought about by an otherworldly presence, examining the delicate boundaries between worlds and the nature of human understanding.