Rich Family's Substitute Sweetheart - Chapter 340

[The 3000th Descent of Mystery is about to begin.][This is your only chance to redeem yourself.]When the whole world was in danger, Wang Teng activated a unique talent.It was the Rank SSS talent - Inequivalent Exchange!He was not purchasing things for free, but the exchange was not equivalent.[Exchange successfully. You used half a bowl of cup noodles. With your Rank SSS talent, you may retrieve an unlimited supply of cup noodles.][Exchange successfully. You used a bottle of Sad Breeze wine to exchange for the Star Shifting Method.]…From then on, Wang Teng activated a new exchange system.

After a year of relentless effort, Alex becomes the first to conquer a tutorial quest deemed impossible by the entire playerbase of Endless Leveling Online. But instead of loot or leaderboard fame, he earns something far stranger—an invitation from the God of Games.His prize? A one-way trip to Arcana, a living, breathing world where stories shape reality—and a chance to become the Protagonist of his own story.In a land of endless possibilities and ever-shifting destinies, Alex would try to bend the rules, rewrite fates, and forge his own legend. But being the Protagonist means more than glory.It carries a heavy responsibility.As secrets unravel and alliances are tested, Alex must decide whom he must protect, and save before the world collapses under the weight of its own story.

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates

Intellectual Villages are old fashioned rural villages recreated with cutting edge technology. Those villages attract the Japanese monsters known as Youkai.

The high school boy Jinnai Shinobu lives in one of those villages and has a Zashiki Warashi living in his house. He tends to run across Youkai with unnerving frequency and this often leads to trouble for him.