where do I plug in my new iPhone to charge it?

Katana-San means an adapter, like one of the ones below-

Apple 5W Power Adapter - Apple

Apple 20W Power Adapter - Apple

If you've never had an iPhone before, you'll have to buy one. You can, however, plug the cord in to any compatible USB charging ports.

Hello ~ You will need to buy a block or use an old one.

~Katana-San~

Hello ~ 👍

~Katana-San~