A letter of challenge arrives from Egrigori's new assassins Al and Jeff. Samurai refuses to rescue his sister, Maya, who was taken hostage. Ryo is sympathetic to the servile samurai, and tells him that one day he won't even be able to trust himself if he keeps rejecting him. Al and Jeff remotely control Cyborgs Plus and Minus to try to involve the students in the school. Ryo notices the scheme and discovers the bomb planted in the school...!