Koi toka, Kiss toka, Karada toka.

Sasa, the only daughter of a veterinarian, has always had a crush on a boy. She follows him and enrolls in the same high school, only to find out that he is actually an outrageous playboy! (Source: Shogakukan, translated) Included one-shots: Volume 2: Chicchana Kemono wo Hiroimashita. Volume 3: Koib