Saike, a disinterested teenager, lacks any ambition or direction in life. Amongst his monotonous routine, his childhood friend Mikan is the only person who truly cares for him, providing him with much-needed affection. Nonetheless, his world takes a drastic turn when he witnesses Mikan in danger. To his surprise, Saike acquires incredible psychic abilities, which were beyond his wildest imagination.
Bonus story:
Book 3: Negatibrain