C1 and 2, we'll see our lovely Matsuoka taking care of his cute roommate, Oono. C3 and 4, what does Natsu want from the twins? How does he intend to cleanse the melancholy from the younger twin's heart? Please note that C3 is quite sadistic. Get some tips on the 101 ways of doing it on the dentist chair from Kiyomura sensei and his patient, Takamiya in C5. And finally, learn about the right ways of using a bottle and positioning in C6. (Source: M-U)