How to adjust the tone of Japanese fresh and elegant style with ps?

The color of tofu is not blurred, and the blurred part of the picture is the depth of field when taking pictures.

It's not Japanese, but the author is from Guangzhou, and he is from Cantonese Department.

I think it should be to adjust the curve of the channel, reduce saturation, increase brightness and add a point light source.

Curve adjustment is likely to be completed in RGB and Lab modes respectively.