Drugstore in Another World: The Slow Life of a Cheat Pharmacist (Manga) Vol. 12 by Matsuuni

Reiji's newest concoction turns its ghost girl Mina into a tanned, blonde gyaru! It's not just her looks either-to Noela's terror, Mina's transformation has given her major alt-girl attitude. Reiji needs to find a cure, and fast, before the girls lose their friendship forever. Meanwhile in the town of Kalta, a new pastime is born! Noela and the gang go for a relaxing camping trip in the new Kalta tents. It's the perfect time for some girl talk!
Binding: Paperback / softback