Isekai Yururi Kikou ~Raising Children While Being an Adventurer~ - Chapter 468:

My name is Joo In-gong. The name that my parents gave me meant ‘protagonist’ of the world. Really?

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

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.

When I just started college, my mobile phone navigation can automatically find treasure!

Complete the treasure hunt navigation, and you can also get rich rewards!

“92 kilograms of stolen money were detected, complete the treasure hunt navigation, and reward a set of 100 million Zhongtian lake view villas!”

“It is detected that the big star Xia Qiu is about to be in distress, complete the opportunity navigation, and reward 100 million in cash!”

“A piece of 10 jin*head gold is detected, complete the treasure hunt and navigation, and reward Yuanfang Wenchuang with a value of 600 million yuan to purchase 60% of the shares!”

“…”

Looking at the mobile phone’s continuous automatic treasure hunt and the rich rewards after completing the treasure hunt navigation, Ye Feng said:

“From today onwards, the four famous words of the four great masters will come out of my mouth!

- Description from novelbuddy