Kanojo Kanrichuu ni Tsuki

Synopsis

"The 'deadline'—humanity's eternal burden. Izumo Reiji, a manga artist, a profession inextricably linked to such deadlines, discovers a mysterious menu at a coffee shop he casually wanders into...? That thought everyone has probably had at least once: 'If only a cute girl would manage my deadlines for me...'" https://www.cmoa.jp/title/346994/