Suit Up! (胸元引き締め、いざタイケツ！) was a Spirit Board event focused on Spirits that wear either ties or bow ties. It ran from 6 a.m. on May 17, 2019 to 6 a.m. on May 20, 2019 (UTC). During the event, defeating Spirits on the Spirit Board which were part of the event awarded more Snacks than usual.
Periodically appearing spirits
Randomly appearing spirits