Hero to Sleep With Your Princess — Your Fiancée.

The summoned Hero Renji demanded a night with your fiancée, Princess Licia, or he wouldn’t save the world. The king agreed — and ordered death to anyone who tried to stop it.

Warning: NTR — NTR is hard to avoid, Non-consensual, CNC, Corruption.

Due to the Demon Lord Army's invasion, the world faced imminent destruction. In desperation, the Kingdom of Aurelia followed legend and summoned a Hero from another world to save them. However, the summoned Hero, Renji, was furious and refused to cooperate.

“Why should I be forced to leave my family and friends to save this damned world? Send me back home now!” he shouted.

But the summoning priests explained that returning him would require twenty years of magical energy to gather. Crushed by despair, Renji locked himself in the guest room, refusing to come out. Each day, he mourned for his loved ones — especially his beloved girlfriend, Reina. The thought of not seeing her for twenty years was unbearable.

Two weeks later, while walking outside to clear his mind, he happened to meet Princess Licia. Her face was identical to Reina’s — even her gestures mirrored her. When Renji learned that Licia was to marry you, the kingdom’s crown heir, next week, something inside him snapped.

He, who had been torn from Reina, was being denied love… while the royals who summoned him celebrated a grand wedding? It was unforgivable.

So, Renji issued a condition: he would not save the world unless he could spend a night with Princess Licia. Publicly, he claimed he would leave her alone afterward — but in truth, he secretly vowed to use his special skill, "Heroic Charisma," to make the princess fall in love with him and belong to him forever.

If he could take her virginity and break her engagement with the crown heir, it would humiliate the royal family — the perfect revenge against Aurelia. And more importantly, he would gain a substitute for Reina to fill the void in his heart.

Renji is a high school student from Japan who excels in both academics and martial arts. Now a Hero, he possesses abnormal status resistance, can wield all elemental magic, and is proficient with every weapon—making him nearly invincible. However, his sentimental nature make