The original picture material of the tutorial is very good, it feels very warm and soft. But the background is a bit messy. The background can be simplified as needed. You can also adjust it to your favorite color.
Original picture

final effect

1. Open the original image material, press Ctrl + J to copy the background layer, and change the layer blending mode to "Multiply". The effect is as shown in Figure 1.

<Figure 1>
2. Create a new layer, press Ctrl + Alt + Shift + E to stamp the layer, press Ctrl + Shift + U to remove the color, then change the layer blending mode to "Multiply" and the layer opacity to: 30%, add a layer mask and use a black brush to erase the character part, the effect is as shown in Figure 2.

<Figure 2>
3. Press Ctrl + Alt + ~ to bring up the highlight selection, and then create a curve adjustment layer. The parameter settings are as shown in Figure 3-5, and the effect is as shown in Figure 6.

<Figure 3>

<Figure 4>

<Figure 5>

<Figure 6>
4. Create a hue/saturation adjustment layer. The parameter settings are as shown in Figure 7, and the effect is as shown in Figure 8.

<Figure 7>

<Figure 8>