Real name: Shiragane Ruka

Stage name: Luca

Height: 179 cm

Appearance: His selling point is his fragile, ethereal look. He has short, smooth, light-blue hair. In contrast to his hair, his eyes are a deep, strong blue that gives an impression of intelligence and freshness.

Occupation: Model

Gender: Male (presented as undisclosed during public appearances)

First-person pronoun: Boku / Ore (in private)
Second-person pronoun: ~san, kimi

Personality: In public, he is gentle and delicate. He carefully maintains the image his agency promotes. In private, however, his mental state is in tatters and he often vomits. His parents provide no mental health support, and he depends on his manager.