Kanon (2002)
Original title: カノン
Kanon is a 2002 Japanese-language animation series. It stars Atsushi Kisaichi, Yui Horie and Mariko Kouda.
7 years since Yuuichi Aizawa visited his aunt Akiko in her little northern town, he returns to uncover memories and secrets that have vanished from his head. He soon realises that something supernatural is happening, and that all of his new female acquaintances have links to his forgotten past.
Where to watch Kanon
Stream: Crunchyroll Amazon Channel