Juo no Tsugai (Kadokawa Ruby Bunko)

[Machine Translation] Yuu's problem is that he feels no sexual desire at all and cannot get an erection. One day, Yuu falls into a river and finds himself in a strange place. One day, he found himself in a strange place, and a beastman with a wolf's face said to him, "I want you to have my baby. For some reason, the mere approach of the beastman causes Yuu's body to heat up, and he is unable to resist the pleasure of being embraced. The beastman is Aram, the king of this country. In this world, there are three sexes, alpha, beta, and omega, and in order to preserve the direct bloodline of the royal family, he summons the omega, Yuu, who can bear the alpha, Aram's child. Yuu refuses, saying that he, as a man, cannot bear a child...? The Omegaverse has arrived!

悠の悩みは、全く性欲を感じず勃たないこと。ある日、川に落ちたはずの悠は気付くと見知らぬ場所にいた。そのうえ狼の顔をした獣人が「お前には、俺の子を産んでもらう」と言い出す始末。だけど何故か獣人が近づいただけで体が熱くなり、快楽にあらがえないまま悠は抱かれてしまう。獣人はこの国の王・アラム。この世界はα、β、Ωの性があり、王家直系の血を残すため、αであるアラムの子を産めるΩ・悠を召喚したという。男である自分が子を産めるわけがないと拒否する悠だったが...!?オメガバース登場!!