Mob Psycho 100 vol. 4

Envy... conflict... brothers!! Ritsu always said to Mob, "if something's bothering you, you can talk to me, big brother." But Mob is not the only one who has suppressed himself, as Ritsu has long dreamed of having powers like his elder sibling. And when Ritsu's powers begin to awaken at last, the story takes on a shocking new direction...!