Hero of Endless Sex ~I Have No Magic, but I Will Become the Strongest With Spunk~

In a world where true power is measured not by magic, but by erotic stamina, Ruka stands unrivaled. Blessed with limitless endurance, he reigns supreme both on the battlefield and in the bedroom. Serving as a loyal knight under the legendary Fuckboy, Ruka is tasked with handling the most grueling and intimate missions his master assigns. His unwavering dedication to duty defines his life—until a sudden encounter changes everything. When a ferocious magical beast attacks an elf named Mia, Ruka throws himself into the fray to shield her from harm. The battle claims his life in what he believes is a final, heroic sacrifice. Yet, instead of fading into darkness, he awakens enveloped in overwhelming warmth and ecstasy, held tightly within the elf’s embrace. As confusion washes over him, a mysterious voice echoes directly inside his mind, declaring that whoever possesses endurance far beyond human limits shall become the Zeshirin of the world. Reborn through passion rather than magic, Ruka discovers that his boundless vitality has unlocked a destiny greater than he ever imagined. Thus begins an intoxicating erotic fantasy where pleasure transcends all limits, promising an ecstasy level surpassing two thousand percent.