Salutation for Advice

Because this part of the plot involves identity swapping.

Yesterday I saw a lot of book friends commenting that it looked so confusing.

In fact, the scene between two people is fine, but as long as five people are on the same stage, it will be absolutely chaotic.

So I want to ask everyone.

When describing the title, is it better to directly use the name of the soul's body, or is it better to use the name of the current body and then bracket it with []?

In other words, generally, in most cases, the name of the soul body is used, and occasionally it is enclosed with [].

The third usage is the one in the chapter just published.