Tropes pertaining to Yuri.
Action Girl
Break The Cutie: During the Tartaros arc, she breaks down when she tought Wendy and Carla died in the explosion of Face.
Genki Girl
Hair Deorations: She wears a lavender ribbon on the left side of her head.
Heroic BSOD: When she tought Wendy and Carla died after Face exploded with them inside its location, Yuri breaks down and falls into a deep depression. She also blames herself for not being able to save them on time, which unbeknownst to her and Riku, Doranbolt did.
Nice Girl
Pure Energy
Purple is Powerful: She wears purple and has purple hair.
Say My Name: "WENDY-CHAAAAAAAAAAAAAAN!"
You Gotta Have Purple Hair
Zettai-Ryouiki: Grade B.