Travelling The Multiverse Collecting Powers

Ryomei was walking towards the store to buy the latest bnha manga when he suddenly meet truck-kun, his life flashing before his eyes, faded as he finally closed his eyes, meeting god he gained the system and travel towards the multiverse. Follow Ryomei as he travel across different universes learning lessons and gaining power. P.S. this is my first time writing and english is not my first language to do expect some grammatical errors, please don't put hate comments but criticism and corrections are highly welcomed. Disclaimer: i do not own any of the characters and the universe is except for my mc and oc. Since this is a fanfic do expect some behavioral changes. Side note: the first universe our mc will travel will be the bnha universe followed by the seven deadly sins universe, then i don't know On another note: feel free to comment what universe our mc will travel, it's not limited to only anime, manga, movies, novels and maybe games are also welcomed