>>720475353
>Is she a dyke, l saw an image of her kissing that dangaronpa fan in the game.

Spoilers obviously.
In one specific route, she's and the others are basically trying to get that character to stop wanting to give up in that specific moment, so she decides to go for that. Otherwise not really in general. In most routes you can either be friends with her, or get with her, depending on said route.