Elf Princess Rane - S01

Gou has vowed to find the legendary treasure of Salamander. While searching for it, he meets Ren, a fairy who is looking for the four treasures of Heart. Gou's childhood friend Mari is frustrated with him chasing after treasures, but she befriends another fairy, Rin. Gou and Ren's treasure hunt interferes with a secret project led by Mari's father. It turns out Salamander isn't what Gou thought it was in the first place...