Summoned with an SSS-Rank Portal Skill - Chapter 25: Learning from an Old Master

Our straight (?) bottom woke up ten years into the future and found himself on the bed of his childhood friend… At the start, the bottom was shocked to his very bones, but he soon quickly accepted this premise and found the whole situation to be rather amusing. Precisely then, the bottom once again went back to his timeline — back to when he and the top were just platonic childhood friends.

“Host, you are about to load the sci-fi adventure system, please be prepared”
“Three Body”.
“Wandering Earth”.
“Interstellar”.
“Gravity”.
“Mars Rescue”.

Uh …
As the youngest full-time professor of mathematics in the history of Jiangcheng University, Pang Xuelin was a bit stressed.
Uh …
The hardest science fiction, the best times.

- Description from Qidian

Unidentified girl, a strange and familiar world. What she was looking for was not only the secret of her life experience, but also the truth about life and death. The boundary marker that appears in the dream is an obstacle or an opportunity. After falling into the vortex of fate, how the girl will choose, guard the rules, overturn the rules, and the trajectory of the world will be completely different.

[The book is suspenseful and mysterious. The number of words is expected to be at least one million. It is definitely not supervised. The new book and the new book hope that everyone will give more opinions and be grateful for everything. ]

- Description from novelbuddy