Little Busters! Refrain Season 2 Episode 8 E 8

In his effort to recreate the Little Busters, Riki first approaches Masato to join. Masato, however, refuses the invitation and pushes Riki away with the words, "Time for me to start proving that I'm the strongest." From that moment on, Masato goes out of control and punches out anyone who approaches him. Rin tells Riki that Masato is acting the same way he did as a child. Riki and Rin set traps to stop Masato's rampage, but then...