The Author is an Extra, The MC is a Reincarnator - Chapter 18 Accepted As A Disciple

Due to being reincarnated into a financially struggling noble family, I had to find a way to make money.“Just wait one more day, and the next volume will be out!”“Next week is a hiatus? Are you out of your mind?”“Hurry up and give me the next volume!”“Quickly!”Before I knew it, I was overwhelmed with deadlines instead of romance.

With the memory of a Level 200, Tier 3 Mage. Lu Yang returned back to his life ten years ago. Destiny made a joke with him. He was betrayed and everything he worked for was taken away. He had to get it back.

The game’s money making methods, dungeon strategy, legendary quest, equipment source, secret blueprints, combat skills. He knows all. See how a reborn player with his brothers swept the country, burned the world and created the legend of The Fire God!

- Description from Novelupdates

Who has been harmed by all kinds of superlatives and scum?
But these people climbed faster and higher than anyone else.

Lu Anran just wanted to let these people know what a mountain is higher than a mountain.
Let them know what is real scum, superb and ruthless.

Scumbags: Oh, I’m the best at bullying the small and bullying others with power.
Lu Anran: Sorry, you are not as ruthless as I am in terms of tactics, you are not as important as me in terms of scheming, and in terms of status and strength, you are not as strong as the person standing behind me, tsk tsk tsk, no wonder you are being abused by me.
Scumbags:  …please forgive me.
​​
Just a little:
Attack: Do you like me?
Lu Anran: I like it, I like you the most in my life!
Attack: What about the next life!
Lu Anran: I will miss you deeply in the next life!
Gong: Don’t let me find it in the next life, or I will…
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Be in charge of Su Su Su Lang into flowers, attack and be in charge of pampering
Every world is HE
Shuangwen

Content tags: sweet text quick wear cool text revenge abuse scum
Search keywords: Protagonist: Lu Anran ┃ Supporting role: ┃ Others:
One sentence introduction: Who can surpass me in terms of ruthlessness and scum.

- Description from novelbuddy

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?