Based off what happened after Korrina left Ash and his friends, from episode 30-34. Korrina is now home and her family is really happy to see her.

Korrina broke her leg after a skating accident, now she has to wear an itchy cast and rest for a few weeks. Korrina is sad because she can't skate, will she ever be able to take it easy?

As we know, Clemont wears a nightcap to bed. His parents, in fear of losing him due to suffocation, gives their son a nightcap to break that habit. Now Clemont wears a nightcap to bed.