Amazon.com: Cos-Animefly Anime Bungo Stray Dogs Osamu Dazai Cosplay Costume Long Trench Coat Halloween Party Suit for Men Women : Clothing, Shoes & Jewelry
Osamu Dazai cosplay : r/BungouStrayDogs
Bungou Stray Dogs Osamu Dazai Cosplay by cosgalaxy on DeviantArt