"Da-da!" 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. This isn't a laughing matter! Problems also follow and arise. How do I coax my baby? Yang Yi, who was an freelance killer 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! Many years later, Yang Yi sighed: Actually, I only wanted to open a coffee shop to sell the mood and peacefully become a cultured man. Fans were shocked: Father-in-law, stop joking, we're still waiting your wife to make appearance on 《That Killer Isn't So Cold》! What? You dare to plan for our family's Xixi? Yang Yi angrily pulled out his dragon sword: 竜神の剣を喰らえ！(Eat this dragon sword!)