This Ravissa <3 fan art contains
outerwear, overclothes, hip boot, and thigh boot.
There might also be
long trousers, long pants, legging, leging, leg covering, well dressed person, suit, pants suit, and pantsuit.
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).