MTL - I, The Grandson of Garp, Scared Luffy Into Tears - Chapter 22

As a true over-bearing president scum gong, when Xie He for the Nth time rejected his admirer, he heard a sentence in his head: “Congratulations on achieving the “rejects 100 hosts” accomplishment; as an award you will soon bind to the “Scum Gong and Cheap Shou” system, entering other worlds to complete capture missions.

“Listen, buddy, your cock was the last thing that got inside me, so unless I’m having some kind of miracle baby, yeah, you’re the father. Congrats.”—Raelynn had one goal that night—drown her sorrows in cheap whiskey after getting fired from her job. What she didn’t plan on was two surprises: one, a steamy night with a ridiculously good-looking stranger, and two, a $10,000 check for her the next morning. Jackpot, right?Wrong.Nothing could’ve prepared her for the biggest surprise of all—she’s pregnant. And the father? None other than Elion Vaelorian, the country’s richest and most powerful businessman, with a face that could melt ice... and a personality just as cold.What Raelynn doesn’t know is that Elion isn’t just any man. And the baby she’s carrying? Let’s just say it’s far from ordinary, and its existence could shake the foundations of the world she knows.

Right after transmigrating into a parallel world, Yang Yi was a bit stupefied upon seeing a adorable little girl calling him father. Fine, Xixi is 100% my daughter, but my child’s mother is actually an aloof, absolute beauty who’s a famous singer.

How do I coax my baby? Yang Yi, who was a assassin in his previous life, scratched his head. How about I tell some stories? Yang Yi didn’t think that the stories he imported from his previous world would be famous world-wide! How do I bring back my child’s mother who left in anger? The experienced Yang Yi indicated that there was no problem a love song couldn’t fix. And if it couldn’t, then two songs!

- Description from Novelupdates

Oosuki Masato is an ordinary high school boy who is magically transported to an alternative world, but for some reason his doting, over-protective mother comes along as well.