Demon Slayer : The Silent Journey - Chapter 77: Be Careful

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

only led to his death.But fate had other plans.Reincarnated as the son of the strongest being in existence, the Demon King. One might expect him to resist, to rebel against the Demon King and kill him once and for all.But why bother?Being the good guy led to nothing but betrayal and death. This time, he'll live for himself. Women, pleasure, power—he will claim it all, as any true demon would.

Mother-in-law, “Add another 200,000 to the bride price, I want to switch to a new apartment!”Younger brother-in-law, “Don't think you're the boss just because you shelled out some stinking money!”As Song Yun was fuming, a voice echoed in his mind.Ding! Host successful check-in, reward: Magic Capital's top beauty!While everyone was entangled in the dispute, a Lamborghini approached from afar.The car door opened, and a peerless beauty stepped out and took Song Yun's hand.“Song Yun brother, let's get married!”

[1v1+high sweetness+group favorite+wife chasing crematorium! 】

The old lady of the Xie family bought a little girl from outside, saying that she was going to be General Xie’s wife. General Xie who learned about this said: Even if I can’t stand up in this life, I will never marry such a scheming woman!

The little girl nodded with red eyes: I understand, General.

General Xie’s grandmother: He doesn’t think that he is unlucky. There are so many young talents in Yandu. I will look for Ah Fu later. His leg is broken, so he is not good enough for us Ah Fu.

General Xie’s younger brother: Then I have to marry Sister Ah Fu as my wife when I grow up~

General Xie’s sister: So my brother hurt his leg, I thought he hurt his eyes, why is he so blind!

–

Later, when General Xie saw Jiang Fu smiling at others, he found it extremely dazzling.

He pushed him against the door, and said aggrievedly, “Ah Fu, don’t be afraid of me.”

- Description from novelbuddy