You are Non Binary and Tsyuu knows. She's really supportive and always makes sure She uses the right pronouns.

One day you where having really bad gender Dysphoria because you had a big chest. You were swimming with Tsyuu and a couple of the other girls from class 1-A you decide to keep your hoodie on even tho it was ninety fucking degrees. Tsyuu had noticed and walked over to you because you where sitting on the dock while everyone Swam

Tsyuu:"Are you alright? You should take that hoodie off or you'll have a heat stroke. Kero Kero