Something's Wrong With Us manga volume 13 features story and art by Natsumi Ando.

As Nao adjusts to her new position running Kogetsuan, Tsubaki returns, asking to work as a regular employee. Nao is hesitant, but accepts for the good of the store, as a hand injury has temporarily put her out of commission. However, living under the same roof after so long begins to spark feelings thought dead and lost memories from eighteen years ago. A jealous Takigawa pushes to marry Nao, and after growing close to him, she’s tempted to accept. But there's more to her gentle benefactor than meets the eye. He has a few dark secrets of his own…