MTL - My Classmate is 200 Million Years Old - Chapter 12 massacre

Ade has lived in an incense burner for over a thousand years, her days spent sleeping. Longing for the outside world she hears about from her fairy friends, her wish is finally granted when a man brings her home, releasing her from the seal. Ade, tears streaming, vows to repay her savior to the fullest extent.Qin Yu, known as the cold and ruthless Third Master Qin of Kyoto, finds his life upended when strange occurrences plague his bedroom after he places an antique incense burner given to him as a New Year's gift there. Chaos ensues, with items displaced and unexplained puddles of water; he even senses something in his bed while half-asleep.One afternoon, Qin Yu comes home early to find a young girl cleaning up spilled milk. The girl, her black hair cascading, her skin porcelain, is startled by his return and tries to flee. Upon being caught and questioned by Qin Yu, she timidly speaks of repaying her debt.To Qin Yu's amusement, she lists her belongings: pearls, antiques, even her savings. None of these interest Qin Yu, who instead sweeps her into his arms and suggests a more personal way of repaying the debt. Terrified, the girl's beautiful fish tail is revealed.

When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).

Su Yun was a prodigy, blessed by the gods. However, life is never so easy. Soon after reaching 6th stage in spirit novice realm cultivation, his progress stagnated due to incurring a rare medical condition.

A few years go by, and Su Yun has spent all his time gambling or drinking, wasting his youth away, but one day everything changes. Qing Er, the only one who stood by him was forced by his clan to be a sacrificial bride to someone she didn’t love, only to be executed by the groom on the wedding night for fleeing. Burning for revenge, he scoured the world for a cure for his rare medical condition from both righteous and villainous side.

Countless years go by, and finally Su Yun not only found a way to cure his rare condition but also gain immense knowledge on a myriad of martial techniques.

But before he could fully cure himself, he received news that the groom suffered an assault that damaged his internal organs. Rather than wait for decades to become fully cured, Su Yun decided to hatch a plan for the assassinate of the groom. Unfortunately, he underestimated the strength of the groom’s family and was killed instead.

Then he regains consciousness. He comes to a realization that he went 15 years in the past. This time, he vowed to protect Qing Er, but first he must cure his rare medical condition. Will he learn from the mistakes of his previous life or is everything still set in stone?

- Description from Novelupdates

Sun Hao traveled to a world of cultivating immortals. Unable to cultivate, he practices the guqin, chess, calligraphy, poetry, wine, and flower tea are all in the supreme realm. He didn’t know: The pet on his farm was the Nine Heavens God Luan. The lotus in the pond is a peerless demon. The guard outside the door is the ruler of Thunder Tribulation. Later, he discovered: The swordsman who picked up his broken hatchet became the peerless generation of swordsman; the scholar who often listened to him to chant became the ancestor of Buddhism; the girl who came to learn to play the guqin with him became the supreme demon clan. … Sun Hao sat on the throne of Heavenly Emperor, with a shocked expression on his face: Am I a Dao Ancestor? I take the heaven and the earth as the disc and all beings as my sons, and create a shocking situation? I do not know how?