Comprehensive Comic: Becoming Stronger Starting from Dororo

When I encountered the tide of time traveling, I became a blind man with no power to restrain myself. Fortunately, what appeared was a small world of an island country that was extremely safe. I thought I would live a mediocre life, but I found out that my brother was named Nohara Hiroshi, my sister-in-law was named Nohara Mizu, my nephew Nohara Shinnosuke, my niece Nohara Aoi... The school I attended was called Toyosaki, and the little golden retriever who liked me was named Eiri... Moreover, he also obtained a system, a system that can travel across all realms. The main world of daily comprehensive comics is Dororo - Parasite Beast tentatively - Demon Slayer: Kimetsu no Yaiba tentatively - Attack on Titan tentatively -? ? ? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.