Realm of Darkness: Clannad Anime

Is there any anime/manga where the MC with a dark past (assassin, soldier, etc.) meets people with ordinary lives and tries to fit in, but past conflicts come back to the MC? (

Realm of Darkness: Finished Clannad

Kanata, Yandere Slayer Wiki

10 Anime Series That Got Too Real

Realm of Darkness, Legends of the Multi Universe Wiki

What is an anime similar to Clannad? - Quora

Shuffle - Complete Box Set S.A.V.E. : Brittney Karbowski, Caitlin Glass, Carrie Savage, Cherami Leigh: Movies & TV

A Clockwork Ley-Line: The Borderline of Dusk no Steam

Mama Shinki's Weebposting Realm

AmiAmi [Character & Hobby Shop] CLANNAD - Mobile Phone Sticker D: Fuko Ibuki(Released)