Longevity starts from having a daughter in old age - Chapter 312 - 281: Trial Space_1

What does “being perfect” mean to you? To Hashidate Yuuto, it means everything. All his life long he strived for perfectness until a single incident occured in middle school that ruined his plans of being perfect: He pooped in front of the whole class and parents. Believing, that his reputation was destroyed and that he would never be able to reach perfectness anymore, he wished that the incident never occured. This is when a mysterious Goddess named Maki offers him a button that allows him to go back in time.

Based on the popular Vocaloid song “” by kemu.

She was a 21st century’s forensic doctor. With her medical expertise, she uses her scalpels to save life and investigate the dead. Unfortunately, she transmigrated to the body of the unfavourable first daughter of Liu residence. At first sight, he looks handsome and charming; with his crotch erected underneath his half-naked body. She smiled and asked, “Have you been drugged, sir? A cure? One treatment costs two hundred taels.” He frowned dangerously as if to judge whether is she worth for him to give his body to her willingly. She quickly used her silver needles on seven acupuncture points and teasingly stared at his crotch. “Look, you calmed down immediately, aren’t I good?” The moment she finished her words, his member grew larger again. She got pinned down by this wretched prince, “I’ll give you four hundred taels, change another treatment method.” “F***!” She got unlucky, and that was how her son Liu XiaoLi got into her stomach.

…… On a fateful day, Liu XiaoLi was refining his medicine-making skill. The little punk walked towards his mom……

- Description from Novelupdates

I belong to a good sect that has never turned its back on me for my poor potential, has never forced me to study martial arts, and even helped arrange a betrothal for me when I was young.

In the rebirth, in order to prevent the tragedy of the previous life from happening, Bai Yu decided to rush to the [Tower of God] at any cost, and face everything together with his sister!

However, Bai Yu, who was bound by the system, mutated his bloodline, and transformed into a black-scaled python seems to be developing on a completely different path from his previous life…

- Description from novelbuddy