Three years ago, Serizawa was troubled with about his psychic powers. One day, he was visited by the boss, Suzuki Toichiro. Serizawa ends up trusting him since he's the first person to understand what he's going through. But Mob then brings up the fact that Serizawa is being used and tells him, "I'll be your friend." Hearing Mob say that, Serizawa... 

Meanwhile, after defeating Sho, the boss starts gathering up the energy he was sharing with his followers and turns into an energy monster.
Ritsu's bro, he can give people his energy
and steal theirs in turn.
،يا أخا ريتسو، يستطيع أن يمنح الآخرين طاقته
Ritsus Bruder, der kann anderen
Energie verleihen und rauben.
Hermano de Ritsu, es capaz
de dar energía a otros y absorberla.
Hermano de Ritsu, es capaz
de dar energía a otros y absorberla.
Attention, le frangin.
Ehi, fratello di Ritsu, guarda che è capace 
di condividere la sua energia,
Irmão do Ritsu, ele pode dar 
sua energia para outras pessoas
Брат Рицу,