He's honestly still a bit paranoid of her, but that's his survival instincts talking! I think she'll prove to be trustworthy in that thread, but for a while, he'll be clinging onto Kuzuryuu and Hinata. Again, it's a Souda thing. He easily flipped on Hinata of all people, but at least Souda is trying to do his magical adapting thing! Tsumiki will definitely be a part of that.

After that, I see them becoming friends and bonding? Wow, as much as his perverted mouth will allow.