A middle-aged man who returns from another world goes back to when he was 17 and becomes unbeatable
ch 35
I Saved the Villain with Money After the Ending
ch 33 https://newtoki467.com/webtoon/44603010?toon=%EC%9D%BC%EB%B0%98%EC%9B%B9%ED%88%B0 raws: ch = ch https://www.novelupdates.com/series/after-the-ending-i-saved-the-villain-with-money/
The Archduke's Magical Business Partner
ch 31 / 40 https://newtoki467.com/webtoon/40564654/%EC%8B%9C%ED%95%9C%EB%B6%80-%ED%9D%91%EB%A7%89%EC%9D%B4-%EB%82%B4-%ED%8C%8C%ED%98%BC%EC%9D%84-%ED%9B%84%EC%9B%90%ED%95%9C%EB%8B%A4?stx=%ED%9B%84%EC%9B%90%ED%95%9C%EB%8B%A4 raws: ch = ch same, but worse translation: https://www.mangago.me/read-manga/the_terminally_ill_villain_supports_my_broken_engagement/
The Terminally Ill Villain Supports My Broken Engagement
ch 31 / 40 same, but better translation: https://www.mangago.me/read-manga/the_time_limited_black_screen_supports_my_breakup/
The Regressed Son of a Duke is an Assassin
ch 64 https://newtoki467.com/webtoon/36463821/%ED%9A%8C%EA%B7%80%ED%95%9C-%EA%B3%B5%EC%9E%91%EA%B0%80%EC%9D%98-%EB%A7%89%EB%82%B4%EB%8F%84%EB%A0%A8%EB%8B%98%EC%9D%80-%EC%95%94%EC%82%B4%EC%9E%90?stx=%EB%A7%89%EB%82%B4%EB%8F%84%EB%A0%A8%EB%8B%98%EC%9D%80 raws: ch = ch webtoon ch 58 = ~ novel ch 111
My Ice-Rose Husband Said He Only Wants Me to Play the Role of the Next Duchess, but Now He's Stalking Me at Home!
ch 20
The Mutual Non-Aggression Is Unpalatable
ch 31 https://newtoki468.com/webtoon/25059194/%EC%83%81%ED%98%B8-%EB%B6%88%EA%B0%80%EC%B9%A8-%EC%95%88-%ED%95%A9%EB%8B%88%EB%8B%A4?stx=%EB%B6%88%EA%B0%80%EC%B9%A8 raws: ch 65 (end)
The One Within the Villainess
ch 28
Anything But Marriage, Mr. Villain
ch 40 https://newtoki468.com/webtoon/46362062?toon=%EC%9D%BC%EB%B0%98%EC%9B%B9%ED%88%B0 raws: ch +1
Former Villainess and the Fallen Prince