Ai no Ryusei Kaupa 2 (Young Animal Comics)

Inase, a virgin college student who rejects love, collides with an alien "Cowper" and becomes a parasite in his crotch. Inase's days are thrown into turmoil as he is pushed around by Cowper, who has no common sense, and he and Shizuku, a junior, are about to have sex under the influence of the pheromones emitted by Cowper.... Inase struggles to regain his peace, but one day, his vivacious junior, Ako, is also exposed to pheromones...? A campus life SF romantic comedy by Uran of "Paradise of Innocence"! To be published in May 2025

Inase, a virgin college student who rejects love, collides with an alien "Cowper" and becomes a parasite in his crotch. Inase's days are thrown into turmoil as he is pushed around by Cowper, who has no common sense, and he and Shizuku, a junior, are about to have sex under the influence of the pheromones emitted by Cowper.... Inase struggles to regain his peace, but one day, his vivacious junior, Ako, is also exposed to pheromones...? A campus life SF romantic comedy by Uran of "Paradise of Innocence"! To be published in May 2025