Get stronger in the multiverse

This is my first novel and English isn’t my main language so I am really sorry if it’s hard to read. ——————————————————— this is story about Mc travel though the multiverse to get stronger and of course get harem. Mc wil have starter pack and the system will help mc when mc go to the world that have super power like give mana or something.But the main function will be travel through the anime verse. first word : high school of the dead second world : demon slayer third world : Mairimashita! Iruma-kun fourth world : Naruto