Koro-sensei trains the class to stop trying to match the club’s raw power and instead use "assassination" techniques—bunting, strategic placement, and precision. During the game, Koro-sensei coaches from the sidelines, using his high-speed movement to change his face color to signal techniques.
Seeing Class E dominating, Chairman Gakuho Asano steps in, replacing the baseball coach to take control of the team. He uses intense psychological pressure to turn the game around and put Class E on the defensive. Ansatsu Kyoushitsu Episode 12
After Sugino is mocked by the regular baseball club, Class E gets the chance to play them in an exhibition match. While everyone expects the "dropouts" to lose, Koro-sensei turns it into a training exercise. Koro-sensei trains the class to stop trying to
The strategy works! Class E shocks everyone by taking an early lead, using bunting to dismantle the star pitcher Shindo's fastballs. He uses intense psychological pressure to turn the