The average human being utilizes only 30% of their brain capacity. However, the Dokeshi, a select group of individuals, can access 50 to 60% of their brainpower, endowing them with extraordinary abilities. Nevertheless, such powers come at a cost, as these gifted individuals must adhere to strict regulations. Ignoring these standards can result in the forfeiture of something invaluable from within. For young Shotaro, his sole obligation is to perform one good deed every day. In the bustling metropolis of Tokyo, he encounters Mana, and together they embark on a quest to locate Shotaro's childhood friend Emine. Will Shotaro uphold his daily acts of kindness, or will he succumb to apathy during their journey?