Shinji gazing at something.
Toji peers in with a tenacious look on his face.
Toji:“"Hey, Big Shot!"”
Shinji:““!?””
Reichu: Toji's actually saying “sensei” (or, rather, his clipped Kansai version, sense). Now, I'm not quite sure what this implies when used among buddies, but here it's been translated as both “big shot” and “chief”.