|Name in Japanese||天虹 旱|
|Romaji Translation||Amaniji Hideri|
|Debut (Light Novel)||Volume 3|
|Appears in||Light Novel.|
Hideri has orange hair which has a straight cut on the bangs and two side-bangs and the rest left behind, she also has a white ribbon tied on her right side. Her eye color is violet and she is roughly 10 centimeters taller than Rikka.
- Rikka Takanashi
- Yuuta Togashi