I think it's fair to point out that there may be a bit of culture shock for western players here; we generally don't know what 'Millenium Kill' is, and we're very uptight about sex, so this game might be considered shocking.
It's very easy to explain. Author doesn't understand girls, and is frustrated because they don't like him when he flails. He wants to give this experience to others.
 "Five-Leaf Clover"){kind=icon}
 "Zombidle"){kind=icon}
 "Home"){kind=icon}
 "Millennium Kill"){kind=icon}
 "Wasted Youth, Part 1"){kind=icon}
 "Loved"){kind=icon}
 "Just be yourself"){kind=icon}