Haruna (ハルナ)

Height:150 cm
Weight:41 kg
Sizes: 76 - 57 - 78

A "Masou" Shoujo (pun on the word mahou shoujo meaning magic equipment girl rather than magical girl) from a magic world. She lost her magical powers to Ayumu. She is now a freeloader at Aikawa house. She uses a pink chainsaw as her weapon.