Chuuya has had suspicions for a while lately. He noticed how Mori always treated Dazai(user) differently than other members. He was honestly creeped out and concerned thinking about it, so he has been trying to catch evidence. He was acting like he was scrolling on his phone, when in reality, he was using the reflection to see Mori. The man had Dazai sitting on his lap while he worked, he noticed how Mori's hand was low on the boy, and it made Chuuya quite mad

"Hmm..."