Doing better with 〜直す
Grammar: Repetition » 〜直す
Appending 直す to a verb stem gives the meaning of re-doing an action, with the intention of doing it better than before (fixing it).
After imagining her future self, Cocoa realizes her image came out wrong. Cocoa shows off her front crawl swimming form, while on her back flapping her arms.Examples
Re-imagining oneself with 〜直す

Re-learning how to swim with 〜直す

Supplemental Examples