lost love

What will happen to Yukimura Seiichi who has memories and everyone who doesn't have his memories?He clearly left the original world and came back again, but facing the same person but a completely different past, as if he had never appeared.Content Label: Net King Travels Through Time and Space Youth Man ┃ Search keywords: Protagonist: Yukimura Seiichi, Tezuka Kunimitsu, Ajibe Jingwu ┃ Supporting role: Net King other characters, Yi