Mwah! I Fell in Love With You!

第 1 季，第 4 集: It's the new spring semester, which means being a sophomore. The love rival Haruka ends up being in the class next door, and Lisa is relieved to be in the same class as Ōtani again. Ōtani is pouring all his energy into basketball, so Lisa buys wrist bands for him. Not being able to be honest about her feelings, she can only give him the present as an extension of their usual quarelling. Annoyed at herself, Lisa gets down because her unlikeable personality. That's when the cute Kotoboku Seiko, the polar opposite of Lisa, makes an appearance. Of all the things to do, she suddenly kisses Ōtani. Aghast, Lisa is cast down to the bottom of hell...