I Became the Drug-Addicted Childhood Friend - Chapter 20

Who says I am a worthless student, the pretty Alliance Leader is within my grasp.

Who says I am a single man, a harem of huge numbers waits upon me.

Watch how the strongest senior high school student in history, Li Fan, turns over the city upside down, becoming a hero unparalleled under the heavens!

My wife is the martial alliance leader, and I am the strongest senior high school student, Li Fan! I’m waiting for all of you to drop in to discuss the rules of Jianghu!

- Description from Novelupdates

After crossing into the world of Doraemon, he became Nobita.

With an invincible treasure bag, the life of a primary school student is simply boring.

I am preparing to let Shizuka grow up as soon as possible, so that she can marry and go home as a daughter-in-law.

【Ding! You have joined the chat**]

Astronaut Liu Peiqiang: “The sun is about to explode! Who will help me if I give out 200 points~”

“Enlarge the flashlight, shrink the Earth, or shrink the sun and throw it away~”

The richest man, Iron Man: “There’s a purple potato monster who wants to kill half of the universe! I’ll give out all my wealth! Come and help!”

“Time stopper! You can stop the time in the entire universe, and you will kill him again! Perfect!”

“Well, is the time stopper used to kill people?”

“Can you lend me this thing?”

“I have a bold idea!”

“+1”

- Description from novelbuddy

There are always four kinds of people in the traditional Mary Sue world. The Male Lead, the Mary Sue female lead, the woman who never wanted to see the female protagonist live a good life, and the infatuated man willing to destroy heaven and earth to get the female lead.