A deep kiss on his busty, gloomy girlfriend's unguarded exposure of her panties, followed by an irresistible act of licking and mating with his penis, resulting in both of them becoming sexually aroused, until both were completely emptied of their testicles, and he gave her the fluids that had impregnated her. (Yumi Shion LULU-401)

A story of two nerdy otaku, a man and a woman, who become friends because of their shared love of anime and manga, and who become obsessed with sex due to their ape-like sexual desires. The story revolves around a male otaku who can't resist a female otaku's unguarded, deep kiss with her underwear showing. He can't help but lick her unprotected vulva, something he'd only ever seen in erotic comics! During their first oral sex encounter, the two nerdy otaku experience a surge of sexual desire while simultaneously reaching orgasm! They completely unleash their pent-up sexual urges! Lost in their passion, they continue to ejaculate inside each other until their sperm is depleted!