is a Japanese manga series written and illustrated by Yà Âbundà  Kawano. It began serialization in Futabasha's Manga Action magazine in April 2020.
The series is centered around Shima-san, an elderly male part-timer at a convenience store, and his interactions with customers.
Written and illustrated by Yà Âbundà  Kawano, Shima-san began serialization in Futabasha's Manga Action magazine on April 21, 2020. Its chapters have been collected into eight tankà Âbon volumes as of January 2026.
By July 2024, the series had over 1 million copies in circulation.