Hikaru ga Chikyuu ni Itakoro…… - Volume 8, Chapter 7 - Eternal Flower

Su Bai unexpectedly finds himself traversing into a world where urban dramas collide, bound by a mysterious system.Upon arriving at Shuxiang Yaju, he happens upon Song Qian, who is awkwardly stuck in a doorway. Without hesitation, Su Bai comes to her rescue from behind, freeing her.From that moment on, their relationship takes an unexpected turn, and before they know it, the two inadvertently find themselves wandering into a tangled web.Just as they become ensnared in one another’s company, they are caught—by none other than Tong Wenjie from Chunfeng.Blushing furiously, Song Qian stammers, “Wenjie, let me explain…”Wenjie smirks, “Explain what? I want in too!”Pei Yin interjects coyly, “Su Bai, don’t you think you should be fair? If you’re tutoring Teacher Song, I’d like the same treatment…”Nuo Lan teases, “Do these stockings look good with my dress?”Gu Jia sobs, “You’re so capable… I can’t help it!”Jiang Nansun calls out, “Su Bai!”And there are more: Xu Hongdou, Zhuge Dali, Wan Yu, Jiang Lai, Qiao Jingjing…

“You died.”That was what the mysterious figure told him, but then he was given a second chance for the good deeds that he did in his previous life.“Super Prodigal System!”“Cultivate to immortality by wasting as much money as you can!”For the former number one prodigal of Earth, this was the perfect system!

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Reborn as an Evolving Space Monster.The Paru is a peculiar Species that can be found billions of light-years away from Earth, on a small planet covered by strange minerals and crystals. The Parus are peaceful, as they can eat anything. From earth, to minerals, all suits their tastes. Why would such a peaceful Species develop the ability to Evolve by Devouring? The Parus Devour the minerals and crystals, which allow their shells to grow tougher and tougher every day. What happens when a person is Reborn as a Paru? What happens when a Paru isn't seeking a peaceful life, but one filled with adventure, adrenaline-pumping fights, and otherworldly beauties?The peaceful Species turns into a Calamity feared by this universe, and the next.