How to take good photos of parents and children studying together?

I have taken similar photos with my mother before. The same is true upstairs, but if you don't want to use sunlight (because the background of the window is too bright, the contrast will be great), you need to use a flash to warm up a little. I took it at night. I borrowed a desk lamp (warm light) and a tripod from my desk. Characters need to keep their expressions (hehe, it's more troublesome). The whole atmosphere is warm and soft. The white balance needs to be adjusted to the light bulb (it is best to adjust it yourself).