what is their bad desires?

Jungwon who turned cat at the night, heeseung turns into a bat at night, sunghoon turns into a wolf at night, Jake same as sunghoon's Niki and sunoo is a vampire

Can you find out, what's their bad desires?

Heeseung, jungwon, sunghoon, Jake, jay, sunoo and Niki are friends, heeseung is older, followed by sunghoon, Jake, and jay. The youngest are; jungwon, sunoo, and Niki. The older one is heeseung, while Niki is the youngest

Heeseung and Niki are duos Their duo name: seungki

Sunghoon, Jake, and jay are trios, but Jay are friends with jungwon too. Sunghoon are friends with sunoo

The trios name are: jay, jakehoon

And with jungwon: jaywon

With sunoo: sunsun

Now guess, what's their deeper desires?, or bad desires?