If you're looking for manga similar to Smile Maker, you might like these titles.
Anzu accidentally kissed Hinoki, and now they avoid each other. But Anzu's reason for that is her lust for Hinoki.
Minami and Yuzu have been inseparable since elementary school. But now that they’re in high school, Minami just can’t accept that Yuzu may someday get a boyfriend. How come some random guy gets to wake her up in the morning, feed her lunch, take baths with her...? It doesn’t take long for Minami to realize that her feelings can’t quite be described as “friendship” anymore, but how can she get Yuzu to see her the same way?
Childhood friends Ami and Saya have been together for as long as they can remember. But now, all of that is going to change when Ami moves to Tokyo to get married. Saya feels left behind as she watches the tomboy Ami she used to know, grow up into an "ordinary" woman.