Sports Joshi Haramase Harem Seikatsu | スポーツ女子孕ませハーレム性活～巨チンには高スペな体も卵子も勝てない！全肯定で牡様にお仕えします！

A sports academy where status is determined by success in club activities. The protagonist is a male swimmer with hidden talent, but he is subjected to daily unreasonable treatment by Mikoto, the queen of the swimming club, who is very successful.

Then one day, by chance, Mikoto sees his huge penis, which is engorged. Seeing her flinch, he decides to vent his pent-up frustration and, driven by impulse, repeatedly has sex with her, successfully making her submit by continuously ejaculating inside her.

Convinced that female sports elites are weak against large penises, the protagonist proceeds to instantly conquer beautiful ace athletes from various clubs with his huge penis, building a harem of "fleshlights" and achieving his dream academy life of continuously impregnating them.