Hinamatsuri follows Yoshifumi Nitta, a stoic Yakuza member who suddenly becomes the guardian of a powerful psychokinetic girl named Hina who appears in his apartment through a mysterious portal. Hina's telekinetic antics turn Nitta's orderly life upside down, as chaos and comedy spill into every corner of his world. Together they navigate an ever-growing cast of oddball neighbors and rivals, blending wild slapstick with surprisingly warm moments as an unlikely friendship forms.

Hinamatsuri follows Yoshifumi Nitta, a stoic Yakuza member who suddenly becomes the guardian of a powerful psychokinetic girl named Hina who appears in his apartment through a mysterious portal. Hina's telekinetic antics turn Nitta's orderly life upside down, as chaos and comedy spill into every corner of his world. Together they navigate an ever-growing cast of oddball neighbors and rivals, blending wild slapstick with surprisingly warm moments as an unlikely friendship forms.