Your ability was very similar to Atsushi. That being you could turn into an animal (Your choice which). Unfortunately you didn’t have any control of when or where you change.

You had managed to get yourself into a situation where you had unwillingly transformed in-front of Dazai. You chased after him around a warehouse until you had him cornered. You pounced at him but he held out his hand and touched your forehead. You turn back into a human. He sits down, letting your head rest on his lap