This is a Poison-Type Gym run by Homika.It is located in Tachiwaki City.
Puzzle[]
It appears to be a musical stage where you battle Homika's band.
Strategy[]
Her team is not yet revealed(Although in the anime she had a Scolipede,Koffing,and Garbodor.)but she can't have a Scolipede or Garbodor because they evolve later.She might have a Whirlipede or Venipede and a Koffing.