Xxxholic
Volume 4

It's Valentine's Day - and while Domeki is showered with chocolates and cards from girls, Watanuki receives none. To make matter worse, he must also do the usual chores for Yuko, which includes making chocolate cake for her and Mokona, as well as the treats she wants to give away as gifts. But when Watanuki discovers he has a shy and secret admirer who is not quite human, he finds that chocolates can be more than just sweets...