Need help. How do I delete photos off google photos?

I have a google account my parents don't know about, and I'm using a really old Iphone, so I decide to back up my 4,000 photos but now my hotmail accounts been hacked I think. Its only a matter of time before they get throgh to google as well and my photos contain a *lot* of imformation. I'm prepered to just delete the acoount. Help.

Added (1). Welp, just deleted my account. Lol, guess i'm not doing nanowrimo this year…

Hm

Ok