Cashero(2015)

Most people understand the struggle of staying on top of bills. But what if you had a talent that could raise you out of poverty…but only if you had enough cash? Sang-Ung Kang discovers an ability that has been hidden behind a paywall within him: the more cash he has, the stronger and faster he is. Now, he and his sister, Sang-An, are trying to find a way to stay afloat financially while somehow monetizing this discovery and keeping his identity a secret. Easier said than done…

(Source: Tapas, edited)