"My heart aches so much because I love you!" Office worker Sumire is bad at talking to men. She hasn't had a boyfriend her whole life, and of course she hasn't had sex either! Sumire is pretending to date Kotaro, the one coworker she feels comfortable talking with. They started being intimate, but later on Sumire realizes her feelings for Kotaro are different than before...? The popular hottie in the office, Tachibana; Sumire, the beautiful woman who's a virgin that can't get a man. This story on how to love and have sex is so sweet, you'll swoon non-stop!