If you loved the reflective, slice-of-life vibe of 'One at a Time', you might enjoy 'The House in the Cerulean Sea' by TJ Klune. Both have this warm, almost nostalgic feel, where small moments carry huge emotional weight. 'Cerulean Sea' follows a caseworker visiting a magical orphanage, and like 'One at a Time', it’s less about plot twists and more about the quiet connections between people. The way Klune writes found family reminds me of how 'One at a Time' makes ordinary interactions feel extraordinary.
Another gem is 'Before the Coffee Gets Cold' by Toshikazu Kawaguchi. It’s got that same intimate, character-driven focus, but with a magical realism twist—people revisiting moments in a time-traveling café. The emotional depth and the way it lingers on regrets and reconciliation hit similarly hard. If you’re into manga, 'Yotsuba&!' by Kiyohiko Azuma is a hilarious yet heartfelt option—no magic, just a little girl discovering the world with wide-eyed wonder, much like the gentle pacing of 'One at a Time'.