10 nen goshi no HikiNiito o Yamete Gaishutsushitara Jitaku goto Isekai ni Ten'ishiteta - Chapter 1, Part 3: Yuuji, Checking the Lifeline

Cain was living his best life as the leader of CROSS, a gang ruling Zone A, District 4.At 21, thanks to constant cigarettes and booze, he looked older than his years. He didn’t finish college or have a job, but he made a living through “guard fees” from local markets and his shady side business.One night, his life turned upside down when a shooting star crashed through his window, transforming into a cute fairy girl in a pink dress and rabbit hat, who declared herself the Idol-Idol Goddess!Now, Cain has to juggle being a gang leader and a rising idol star. Can he balance both lives without blowing his cover?[RPG System Style. No Harem. Drama. Romance. Face Slapping. Idol. Magical Realism. Urban Setting. Beautiful Female Lead. Strong ML. Smart ML. Handsome ML. Cold ML] XD

Ye Qiu traveled to the Great Wilderness World and obtained the ten thousand-fold return system.

By teaching or gifting the same thing to the apprentice, you can get a high multiplier crit return.

“Ding, you give your disciple a Marrow Cleansing Pill, trigger a thousand-fold crit, and get a Divine Marrow Pill.”

“Ding, you passed ten years of kung fu to your disciples, triggered a hundred times of critical strikes, and obtained thousand years of kung fu.”

“Ding, you gave your disciple the Zixia Sword, a top-grade treasure, which will trigger ten thousand times the crit and get the Immortal Sword Yunxiao.”

All the disciples: “Master is too generous. He never hides his secrets from his disciples, and he gives everything away.”

- Description from novelbuddy

The summer I was 17. A painting I created was sold. For 1.4 billion won.