| Tenzaki Rena天崎 レナ |
| Measurements | Height: 150cm, Weight: 30kg, Bust-Waist-Hips: 78-56-81cm, A cup |
| Hair | Ahoge, Ponytail, Red, Twin Tails, Waist Length+ |
| Eyes | Red |
| Body | Pale, Slim, Teen |
| Clothes | Body Ribbon, Panties, Platform Shoes, Ribbon Hair Tie, Shrug, Swimsuit, Thigh-high Stockings |
| Items | Umbrella |
| Personality | Brave, Brother Complex, Energetic, Friendly, Kind, Pervert |
| Role | Cousin, Daughter, Mahou Shoujo, Non-blood-related Sister, Older Sister |
| Engages in | Fighting, Kendo |
| Subject of | Curse |
| Visual novels | Main character - Tenma Shoujo Rena -Hatsujou Mahou no Astral Charm- |
| Voiced by | Sakura Momoka |