Shikkaku Mon no Saikyou Kenja~ Sekai Saikyou no Kenja ga Sarani Tsuyoku Naru Tameni Tenseishimashita~ - Chapter 15, Strongest Sage, in the Middle of a Journey

This is a rigorous multiverse cultivation novel!Watch the protagonist, Zhong Shenxiu, as he wanders through various realms, pursues longevity, explodes the system, and becomes the master of the multiverse.Here, there are modern martial arts, classical cultivation, jianghu of Cthulhu, horror worlds, steam punk…Infinite worlds, infinite possibilities, all in the 'Lord Shenxiu'!

I always had a question...“If an author created the world with words, but it came alive in the reader's mind, who truly owned the story–the one who built it, or the one who believed in it?”Will I finally get the answer?...A world that wasn't supposed to exist.A life that held no meaning.Why was I here?Inside a novel, inside the body of someone I wasn't supposed to be in, and... A world that made me question my existence at every step I took.What was my destiny?

A campus bullying incident led Chu Feng to receive a message of Rong Yun’s suicide after ten years.

Rong Yun’s relic is a novel based on him…

At this point, he came to know that Rong Yun had always liked him.

In deep regret, Chu Feng returned back to high school.

This time, he wants to protect Rong Yun, his achievement and let him have a different life.
At first, he only wants to compensate for his mistakes, but he didn’t know when his compensation become’s true love.

- Description from Novelupdates

My childhood friend went to the academy.