A feminine looking boy with long black hair, who Pico initially believes to be a girl. CoCo has sexual relations with both Pico and Chico. After inadvertantly causing some friction in their relationship, CoCo decides to distance himself from Pico and Chico, though they find him again at Tokyo Tower. Little is known of him, but he appears to be some sort of spirit. He is also the main uke of the three, but this can be reversed.  (Source: Wikipedia)

The third installment of the Boku no Pico series, which takes sometime after the second OVA, Pico to Chico.<br><br>
Pico and Chico meet a mysterious young boy named CoCo, whom Pico at first believes is a girl. The three of them become friends, but soon CoCo believes he is becoming a strain on Pico and Chico's relationship and decides to distance himself from them. The three of them rekindle their friendship by the end of the OVA.