What!? Never seen a Demon King of Lust before? - Chapter 72 My Little Sister

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

Xie Xi was someone with luck off the charts! The advantage was that any game could be easily cleared. The disadvantage was that all games were boring! Then one day, the words ‘Game loading’ appeared in front of his eyes and he began to clear real games!

He had served in the strongest Special Forces, Heavenly Sword Special Force. As the commando of commandos, he created the Netherworld in the western underground world and became the formidable Oriental Yama. He said, “I’m Liu Feng. I’m adept at two things: killing and saving. If I want to cure someone, even ghost soldiers can’t take him away; if I want to kill someone, God can’t save him.” Now he was the bodyguard of Yang Shiwen, who was the daughter of the richest family in Donghai City and suffered from a rare disease. Could Liu Feng save Yang Shiwen’s life with his amazing art of healing? What would happen to his double life?

- Description from Novelupdates

Despite gifted with extraordinary talent, I resented my life being cut short.One day, fueled by alcohol, I penned a proposal letter to a princess, hoping to alter my fate.[Sure. I’d love to marry you.]…What? She’s accepting?The problem is, I proposed to all five tyrant princesses.And to make matters worse, I have no clue which one responded.