Haruna (榛名), also referred to as 'Haruna-nee' by Touya, is the daughter of a ryokan (Japanese inn) owner. She is an "older sister" character and she helps out at her family's ryokan. Touya seems to have a crush on her.
- The "-nee" that Touya refers to Haruna with is short for "older sister" (お姉さん oneesan). It is common for Japanese people to call a young woman/teenage girl an older sister, even if they are not related by blood.