"Koikatsu!" exclaims the naughty Koakuma, as she's treated to a 3D hentai adventure in the Touhou universe. The little demon's explosive, overflowing breasts are the main event, as she's forced into a relentless handjob and blowjob session. Her tiny hands struggle to contain her massive, bouncing tits, as she's commanded to pleasure herself and the other characters with her expert mouth and breasts. The scene is a wild, animated frenzy of big tits, sloppy blowjobs, and intense handjobs, leaving Koakuma satisfied and spent.