Unrestricted Tokyo

Reborn in a world of Tokyo ghost stories, with the System at his side. Tasaki Saku had always thought that, as someone chosen by fate, he'd receive the refined, tender love of many ladies from distinguished families. That is, until one day, a blonde, mature beauty claiming to be Amaterasu appeared before him. “From now on, you belong to me!” “...Um, would you mind being my little sister? If you do, then I'll have to tame you first, ”