For Anime model only.

Some tags that helps: sleeveless, bare arms

If your model is super sfw and likes adding bras, you should kick it out and add "no bra" or change to another one.

It can be viewed from behind, but is that necessary?

仅限动漫模型。

一些有帮助的tag： sleeveless, bare arms

如果你的模型过于健全喜欢加bra，你应该把它一脚踢开添加”no bra“或者换个模型。

可以从后面看，但好像没啥必要。