Najimi Tenkuuji  

, 天空寺 なじみ

Kakerus childhood friend and classmate, who is known for her unique "antenna" hair that changes form depending on her mood. She comes from a wealthy family as an heiress to the Tenkuuji group of companies. Despite being gentle and easy-going, she has a vivid imagination that can sometimes take her into her own world. Kakeru saved her from kidnapping in the past, which may have contributed to her romantic feelings towards him. She also exhibits Kuribo-like behavior when experiencing jealousy, kicking Kakerus calf with great force.