Bell the Wolf!

Ever since they were kids, Shun has been helping out Kaede, and Kaede has held a secret crush on Shun, even now when she is already 24 years old. But now, thanks to a different girl making a pass on Shun, and the entrance of a different male childhood friend named Iori, things might finally start moving in a romantic direction for Kaede and Shun.

source: mangaupdates.com/series/aqghplj/ookami-ni-suzu