My Life Begins To Change With A System I Suddenly Got

Haruki Narukawa, a young man who dropped out of school to earn money for his sister's treatment, has had a broken life with a broken and carefree family. His father is always rarely around, his biological mother is gone, he is always bullied by the son of a powerful Yakuza, his beloved sister falls ill, and her stepmother has an affair with the person who bullied her. Hikaru felt all of that until one day, when he gave up on his life. A system suddenly appears and from that point on his life slowly changes drastically as he becomes something he never expected?! Now Hikaru will live a new life with a system and maybe he will explore the multiverse, omniverse, and outverse to grow stronger! Disclaimer: The wallpaper not mine, so if the creator want I delete so I wil do it ————————————————————— I still don’t decide this gonna be harem or bit, but let my mind take that later. And for the world that will MC visit right now is blank, so if you find the perfect anime/manga/manhwa/manhua. You guys can write in the comment so I can think that later. The heroine and world right now : 1. ??? (???)