Unless you attract another horde of them.

[If it happens again, he's going to have to conclude the obvious: Kirino-senpai is haunted.

For now, though, he'll just watch as Sentret goes up on its back legs and cheerfully chatters with Alto. New friends are nice to have. Especially as self-possessed as her trainer's Purrloin is.]

I thought the Pokémon on this route were supposed to be easy-going or something...