Pong is a high-school geek who belongs to a group of high school outcasts known as the “Invisibles”, and enjoys letting his imagination run wild by drawing cartoons. May-Who is also one of the “Invisibles” and has an extraordinary secret: an ability to discharge electricity like a Tesla coil. Whenever her heart beats faster than 120 beats per minute her body releases a powerful electricity charge. Pong accidentally learns about this and promises to keep it a secret in exchange for helping each other win over their own high-school crushes.

After falling pregnant to Perth, her boyfriend's best friend, Ice commits suicide. She returns to haunt Perth while Tan seeks out the person who made her kill herself for his own revenge.