Reincarnated into a Game As the Hero's Friend - Chapter 123

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

One morning, after being bound to the system, MC started his routine of always being captured/ attacked by the ML.

It doesn’t matter if he transmigrated into the ML’s little brother (TN: Here I think brother disciple) or master or opponent, but in the end he is still forcibly taken by the ML.

After transmigrating to many worlds:

MC: Come out system!!! The heck?! Why do these MLs not love their female goddesses, but insist on doing it with me! Aaaaahh!!!

System: …. __(:3」∠)_ Don’t ask me, I also don’t know.

- Description from Novelupdates

BURN ME ALIVE IF YOU DIDN’T LIKE THIS BOOK...AFTER READING THAT IS Regressing back in time after sacrificing his life for someone undeserving someone who didn’t even shed a tear after his death just total blank. The person he begged for love rejected him every single time. Now, he returns to when he was 18 again. Looking at her face, he wants to try again, to fall in love with her once more, to want to... but no, he no longer wants to feel that pain again. Some feelings never change, but you have to leave them behind, right? And one life should be enough to try. He made a commitment to never love her again. This life is his chance to live for himself. But who knew he wasn’t the only one regressed? The ultimate black heart curse is broken... and time reverses. Avey: “Lucy, can we.” Tears in her eyes. Lucy: Looking blankly at him. Avey: “Can’t you at least give me one chance?” Lucian: Silently looking at her. what about other people who hurt him too: mother, sister, friend and ofc her Will he give up on love for his own peace, or will he be too afraid to feel that pain again?

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!