My Classmate is 200 Million Years Old - Chapter 125

Entering the mortal world for a hundred generations, do not compete for the youth of one life, but only for the day and night of a hundred generations.

Seeking immortals in the world of mortals.

My name is Li Qing. I have escaped from the mortal world in the third life, entered the Tao in the ninth life, and become immortal in the hundredth life.

(longevity stream, non-simulator, non-reincarnation rebirth)

(Bai Shi Shou Yuan, One Life Life)

- Description from novelbuddy

A side story series featuring the girls of Kyoukai Senjou no Horizon.

Jiu Xuan Xian Zunlin also unfortunately encountered the legendary dragon attack when he was robbed and thundered. He returned to his youth and became a high school student Lin Yi. He also found his left hand position and was sealed with a dragon..

Since then, Lin has stood in a new world with a strong attitude, punching the old tyrannical gangsters, kicking and defeating the family.

As a result, a strong newcomer rises and officially opens.

- Description from Uukanshu (translated)

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.