Rebirth: Splendid Marriage in the 80s - Chapter 503 - 504: So Fierce

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

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.”

The aliens came with hostility.
Facing the invasion of aliens, human beings are weak like ants.
So this is the end, the real end.
But there is resistance when there is an invasion.
For some, this is not the end, it is war.
So this is war.
Real war!

- Description from Qidian

Takamine Haruto transmigrated into a crossover anime world. His childhood friend is Eriri, his deskmate is Yukinoshita, the school beauty next door is Kaguya, and his new neighbor is Gabriel.He originally thought he could enjoy a peaceful life in this slice-of-life anime setting!But then—he stepped outside and found the Female Titan, Annie.Around the corner, he ran into the gluttonous Kamishiro Rize.A concrete statue that twists people's necks the moment they look away?A shy entity that hunts you to the ends of the earth if you make eye contact?An immortal lizard that adapts to any environment and continuously evolves?Takamine Haruto was overwhelmed.To maintain his peaceful daily life, he established the SCP Foundation to contain anomalies from across the multiverse!