He's the guy that Sword got to stab Norman for messing with Sen. He later appears in the spin-off Under Grand Hotel: Kiss & Kill - http://www.mangago.me/read-manga/under_grand_hotel_kiss_kill/
Wait how many parts are there?
3 parts and 2 DJs (oneshot side stories).
1. Under Grand Hotel ( http://www.mangago.me/read-manga/under_grand_hotel/)
2. Under Grand Hotel: Kiss & Kill, Last Dinner ( http://www.mangago.me/read-manga/under_grand_hotel_kiss_kill/)
3. Under Grand Hotel: Cross Over ( http://www.mangago.me/read-manga/under_grand_hotel_cross_over/)
On Mangago, the 2 DJs are included as extras at the end of the first part (Under Grand Hotel).
Thank you so much
Np! :)
I forgot who Erie was