The Academy’s Deceased Ate It All - Chapter 233:

Reborn in a world where martial arts reign supreme, Li Qian becomes a menial disciple of the Divine Sword Sect, assigned as the bell ringer.When ringing the bell, the sacrificial weapon system accidentally awakens, binding his life to the bell as his life-bound sacrificial weapon. As long as he rings the bell, he can enhance the sacrificial weapon.Moreover, the sacrificial weapon has one crucial characteristic.As long as the bell remains unbroken, the host is immortal.From then on, a path of eternal martial arts unfolds before Li Qian....Many years later, when the Divine Sword Sect faces a crisis of extermination, countless disciples kneel before the bell platform.“We beseech the ancestor to take action.”

“Missus, time to fulfil your duties!” Mu Yuchen demanded as he pulled Xi Xiaye closer with his arms intimately wrapped around her waist.

It was a meticulously planned feast for the powerful. Her fiancé had knelt down on one knee and proposed to her sister instead. Robbed of her right to her inheritance, she was prepared for the Xi family to throw her to the wolves.
As she slipped away from her family that had turned their backs on her, she found him — Mu Yuchen, the low-profile and reserved noble that ruled City Z and led Glory World Corporation.

“Mu Yuchen, let’s get married!” He looked up at her, then suddenly stood up.

“Where are you going?”

“Let’s go. Any later and the civil affairs bureau will be closed.”

- Description from Novelupdates

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

Since I’m good-looking, I might as well become an actor.