Infinite Cube: Extra's Life in Another World - Chapter 4: The Elixir Of Immortality[1]

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.

“Gege, what does cultivating feelings mean?? Is kissing when you eat someone’s mouth?? How are children born??” The 3-year-old Xiao Tu likes to chase after her ChangZhi gege and ask questions…

Ten years old Cheng Zhiyan had always seemed been studious and hardworking. However, when he heard these three questions, he was stunned and fled in an instant… until one day, a certain thirteen-year-old Xiao Tu pressed Cheng Zhiyan to the wall and kissed him. Then she smacked her lips to savor the taste and said: “It turns out that when you kiss orange juice, it really taste like orange juice ah…” the always calm and indifferent Cheng ZhiYan, once again fled in defeat.

**TN: ChengZhi Yan’s name sounds like orange juice

- Description from Novelupdates

In a galaxy far away, there is a kid without innate ability to practice internal techniques. So, in order to gain the respect of his father, he resolutely chooses to follow the more difficult and painful path of practicing external techniques. As the years go by, he grows up, but what really changes his life is a mysterious meteoric crystal stone – the Meteoric Tear. This stone fuses with the young man’s body unnoticed, and he seems to undergo drastic transformations as a result. After that, everything is changed. Eventually his father knows that the son for whom he hasn’t really shown a lot of consideration possesses astonishing abilities. And there’s a lot more to come.

Office worker Leon is reincarnated into a particularly punishing dating sim video game, where women reign supreme and only beautiful men have a seat at the table. But Leon has a secret weapon: he remembers everything from his past life, which includes a complete playthrough of the very game in which he is now trapped. Watch Leon spark a revolution to change this new world in order to fulfill his ultimate desire…of living a quiet, easy life in the countryside!