Something's Wrong With Us Vol 2

Something's Wrong With Us Vol 2 by Natsumi Ando. A Romance manga rated Older Teen, published in English by Kodansha.

Nao was a child when her mother was accused of murder at an old Japanese sweets shop. Years later, now a talented confectioner herself, she crosses paths with Tsubaki, the shop's young heir and the boy whose testimony put her mother away, and the two are drawn into a dangerous web of secrets.