Includes:

1-3. Bi no Kyoujin: X Side (3 parts + full color extra)
Kobi no Kyoujin extra stories. First episode takes place 3 years after Nirasawa meet Kabu for the first time.

4. Bi no Kyoujin: KOUKI Side
5. Science room (Rikashitsu from Pink Gold 2)
6. Akanawa (Pink Gold 3)
7. Not equal - extra chapter