MTL - Guide To the HE of the Former Female Supporting Role - Chapter 40

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

Yu Anwan backhanded the divorce agreement and disappeared without a trace.

Six years later, Yu Anwan came back gorgeously with her cute baby.

Wen Jin looked at him anxiously: “I am Daddy.”

Yu Dabao, Yu Xiaobao: “Mummy said, Daddy is dead!”

Wen Jin: “…”

- Description from novelbuddy

The story is about a boy entering high school, who answers a strange call from a public phone one night. The caller challenges him to a bet: She’ll remove the birthmark which he sees as the cause of so many problems, and he’ll have fifty days to win the heart of a girl he’d considered far beyond his reach. And with this, a very strange summer begins.

She is intelligent, beautiful, calm, and professional. As the youngest chief forensic investigator for the past few years, her future was very bright. All of this, however, changed with a bizarre time-travel.