The Gamer: A Sun in The Multiverse

A nameless orphan soldier dies with nothing, then reincarnates with everything he was never meant to have. Now reborn as the only male heir of the Ubuyashiki family, he must survive the family curse, grow stronger through his Gamer System, and prepare to face Muzan before fate claims his father and himself. **This is an Original work, based on the stories of their respective authors, which do not (unfortunately) belong to me.** Gamer System: stats, skills, titles, inventory, and voluntary quests (no penality or loss of adgency) Multiverse Travel: future worlds include Hunter x Hunter, Hell’s Paradise, RWBY, Danmachi, Witch Hat Atelier and more. Demon Slayer AU: reborn as the male heir of the Ubuyashiki family (replace Kiriya, and will be the first born) Progression fantasy: weak child to powerful multiverse traveler. Slow-burn relationships: possible harem later, when older, where every female lead matters and has her own role in the story (no pokemon-style) (The MC only has some superficial knowledge of the different works) — Description from novelcodex.org