[The look Gai gives Shu is a questioning one, but he gets the feeling that this is something that's important to Shu, and that allowing the other boy to do it would do wonders for his self-esteem. So rather than protest or question, he just heads to get a bowl from a cupboard and then fill it with hot water.
Once that's accomplished, he'll bring it back and hold it out, waiting for whatever Shu is going to do next.]
Action
Once that's accomplished, he'll bring it back and hold it out, waiting for whatever Shu is going to do next.]
You've been learning a lot here.