What. Why.
To make a long story short, Chizuru has huge tits, she gets tricked into drinking a potion that makes them go away, and Kouta is like her boyfriendish figure, and Ezomori Nozomu says that breast size can be enhanced by loveually stimulating the female, so he licks the base of Chizuru's tail bone :3
It's the governer of California everybody! Look out, Arnold Shwarzenegger...
That's Keanu Reeves in The Matrix, you silly munchkin!