Junji Ito Maniac: Japanese Tales of the Macabre (2023)

S1E4 Four x Four Walls / The Sandman's Lair

Koichi struggles to concentrate on his studies due to the incessant noise created by his younger brother, Soichi. Meanwhile, Yuji, plagued by unsettling dreams, enlists the help of his friend Mari to stay awake and fend off the nightmares.