Mint Chocolate, Vol. 12: Volume 12 - Paperback

Don't you dare go anywhere.New family crisis alert! When Nanami tries to help a little girl who strikingly resembles Suzumura, she happens to catch a glimpse of the kid's mom--who has, like, the exact same face! And so, Nanami and Andou launch a secret investigation, but Suzumura finds out...and learns the parent who abandoned him might have been under his nose the whole time. And could he possibly have an actual biological sister?!