The signs as Oikawa quotes

Aries: "I believe in all of you."

Taurus: "Geniuses really piss me off."

Gemini: "You're stupid! You stupid face! Nope! Can't hear you! Can't hear a thing!"

Cancer: "I suddenly feel invincible."

Leo: "This 'insignificant pride' of mine, you had better damn well remember it."

Virgo: "Are you my mom?"

Libra: "If you're gonna hit it—hit it until it breaks."

Scorpio: "You don't need to show off, none of the girls will be looking at you anyway."

Sagittarius: "No matter which side wins I'll still be pissed, so they should both lose."

Capricorn: "If you think too hard when you don't have a brain, you're going to hurt your head."

Aquarius: "Eat my ass."

Pisces: "I want to pulverize my dear underclassmen, setter on setter, in an official match."