I Don't Know Which Is Love, Vol. 4

Though Mei Soraike entered college dead set on finding love, she's been getting a little more attention than she can handle- especially from Karin, who has officially asked her out. Mei is ecstatic at the prospect of finally having a girlfriend, but between Maria's adorable drunken antics, Kaoru taking her to a bathhouse, and a long-overdue reunion with a certain someone, saying yes to Karin isn't as simple as she thought it'd be.