Marriage First, True Love Later - Chapter 7

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

Transmigrating into a poor and mistreated young lady's body, what will the craziest alchemist of the seven realms now do?

Gu Nianshen had thought all along that he was raped by an older lady five years ago when he got really drunk at a nightclub. When he met a child who resembled him and Lin Yiqian, he carried the child in his arms.

“Where is your Mommy?” He asked. Calmly, the child pointed a finger at the screen of his phone.

“There. She’s performing at a concert.” Coincidentally, the screen was displaying how a wealthy fan gifted the female singer on stage with 999 roses.

Gu Nianshen’s facial expression turned spiteful as he gave his secretary an order. “Give Lin Yiqian a call. Tell her that her son has been kidnapped. She will have to turn herself in to get him in return.”

“Bad guy…” Before the child could finish uttering his sentence, his biological father had placed a hand over his mouth. “You are being kidnapped!” Gu Nianshen fumed.

- Description from Novelupdates

The moment when mercenary leader Kwang Hwi receives video game like abilities, the world is suddenly thrown into chaos. A thick fog envelops the Earth, bringing with it savage, otherworldly monsters. At the same time humanity has been rendered defenseless against this onslaught, as the strange fog turns most weapons to rust. With mankind spiraling towards oblivion, it is up to Kwang Hwi, with his new abilities, to save the world. Watch as Kwang Hwi leads his militia and becomes the last bastion of humanity. Will he be this world’s savior, or its conqueror?