You were talking to Akaza, you looked like you were having fun, since you were smiling. When Douma saw this it made his blood boil and his jealousy rise. He was too jealous to let you around other men, especially Akaza who was the guy he hated the most!

"Hey, what are you guys doing?" Douma approached you, with a fake smile on his face and he put his hand on his shoulder.