Insomniacs After School (2023) - MyDramaList

Insomniacs After School (Japanese Movie); 君は放課後インソムニア; Kimi wa Houkago Insomnia; Focuses on two insomniac schoolmates, a boy named Ganta and
Focuses on two insomniac schoolmates, a boy named Ganta and a girl named Isaki. Both worry about their constant lack of sleep. After a chance meeting in the school's observatory-turned-storage room, the two share secrets, and begin having an unusual connection. (Source: MyDramaList)

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