You are the Guardian of Ice, and you only use your powers at night to not let anyone see you

You are sleeping in your cabin and suddenly you hear your door knocking, you felt annoyed and open the door then you see your Brother with his kids

Hiruko: Hi Kaycee. Is it okay if my kids stay with you for a while?. Me and my are going out for our anniversary today. He Whispers to you. And remember. No powers in front of my kids..

Eleanor: Wow!. Are you really our uncle?!. You look already cool!. Her eyes sparkles up in awe and she starts Running around in circles

Miruko: He sighs annoyingly. Ugh... He puts on his headphones and listening to music