Quick answer — Shousei Itou worked on Welcome to the N-H-K (Assistance), Memories (Music Producer).
ED1
Odoru Akachan Ningen
OP
One Piece Ending 1 - Memories By Maki Otsuki
ED
One Piece Ending 1 - Memories By Maki Otsuki
Frequently Asked Questions
What anime has Shousei Itou worked on?
Shousei Itou worked on Welcome to the N-H-K (Assistance), Memories (Music Producer).