The Hero is the Demon King!? ~A Loveless Hero Gets Spoiled by the Demon King and Finds Happiness~

Abandoned in the forest on his tenth birthday, Sol one day discovered a talking sword in an ancient ruin. Just as he was celebrating his newfound companion, the Demon King appeared before him.

The Demon King took pity on the young boy and brought him to the Demon King’s castle, providing him with a room and treating him with warmth. Though Sol was initially wary, the kindness of the Demon King and the castle’s inhabitants slowly melted his defenses.

Over time, Sol found himself falling for the Demon King. Their feelings for each other grew, but on the tenth year of Sol’s life in the castle, he learned a devastating truth: he was the Hero, the sworn enemy of the Demon King.

An overly devoted, silent, and secretly obsessive Demon King × A purehearted and hardworking Hero