Using techniques learned from erotic comics, he stimulated his fair-skinned, anime-style otaku friend's unguarded large breasts with sticky nipples, making her areolas sensitive and allowing her to fully enjoy nipple orgasms. (Hazuki Nozomi LULU-442)

This is the story of a male and female otaku who became friends because of their shared love of anime and manga, and their attempt at nipple development techniques learned from erotic comics. Faced with the female otaku's unguarded, braless breasts, the male otaku could no longer restrain himself. Seeing her nipples erect, he couldn't resist kneading those large breasts! He rubbed the hardening nipples in the center of her breasts, causing her to shake her breasts until she reached a nipple orgasm! He played with her sensitive nipples to their limit, completely engrossed in the nipple swamp! Their sexual curiosity escalated, and they indulged in nipple-playing sex until their semen was exhausted, repeatedly and wildly ejaculating!