>>31512486First of all, level up the Plaza to Lvl 30 and get a 5 Stars Kitchen with the level up meals.
That Kitchen had two special meals
>Pokémon up to lvl 79 will have their level increased by 7>Pokémon up to lvl 89 will have their level increased by 9The Pokémon must have at least 2 Hearts in Refresh for bonus Exp. Make it hold the Lucky Egg and grind in Pony Gauntlet/Battle Buffet/against Morimoto.
At least I did that, thanks to the Kitchen it was basically "easily got a lvl 100 Pokémon per day".