She has had sex with two men, one of whom was her boyfriend and the other a senior at her part-time job. She started to like sex the fifth time she had sex with her first boyfriend. (Ah, I want to feel better...) But in reality, she still doesn't really know what it feels like to "cum"... That's what Fuka-chan, an 18-year-old freshman at a certain university in Tokyo, is like. She's happy when people tell her her areola is sexy, but she's also embarrassed inside. Today, she came for the first time in her life.