Yuuri Uehara

Hisashis sisterinlaw. Shes young and pretty and apparently Hisashis had a crush on her for six years before she went and married his older brother. It was because of this that Hisashi had run away from home in the first place. Yuri is nice and carefree and becomes good friends with Nao. She turns into a kissing monster when shes drunk shes 21. She is also a shopaholic.