Seishun No Hekireki summary:

"If I'm not attracted to the things that most girls are attracted to... Is there something wrong with me?"Amane Shizuku has been worried about a possible sexual frigidity. She can fall in love with men, she's even dated some of them, but when things were about to go to the next level, her heart didn't throb at all. Due to this matter, she was about to give up on love, but when she meets the popular Kouki, her world changes... literally!!