Shibuya may do his best to protect Anzu in his series but the guy lacks drive and often deals with confidence issues. Ragna has been through much more difficult circumstances and always goes out swinging. He has true determination and has grown stronger due to his efforts. There’s no way Shibuya would be able to hold his own here and so ultimately he would definitely be going down real quick. Ragna (Crimson) wins.
Shibuya Aoi vs Ragna (Crimson)