This Ravissa <3 fan art contains
capispalla, overclothes, capospalla, hip boot, and thigh boot.
There might also be
pantaloni lunghi, legging, leging, rivestimento in gamba, wholesale, copertura gamba, ben vestito persona, vestito, vestito di pantaloni, tailleur pantalone, pantaloni tuta, tuta, and persona ben vestita.
Episode Title: Dokidoki Ryuuzetsu Land Adapting the chapter 298. The story is set during the Grand Magic Games when various guilds gather at the pool for some fun (and the chaos that ensues).