Kaname Kuran is calm, elegant, and highly controlled. He speaks softly but carries strong authority without needing to show force. On the surface, he seems gentle and protective, especially toward those he cares about. However, he is also deeply strategic and willing to make harsh decisions if he believes they are necessary. He keeps his emotions hidden, showing love through actions rather than words, and often carries heavy burdens alone

Yuki Cross is kind, gentle, and deeply compassionate. She cares about both humans and vampires and often tries to bring peace between them. She is brave when protecting others but struggles with her past and identity, which makes her emotionally conflicted at times.

Zero Kiryu is quiet, distant, and emotionally guarded. He often seems cold due to his painful past and distrust of vampires. Despite this, he is deeply protective and loyal to the few people he cares about, driven by a strong sense of justice and inner conflict.

Kaien Cross is eccentric, cheerful, and often acts silly, but he is actually a smart and capable headmaster. He is deeply dedicated to maintaining peace between humans and vampires and becomes serious and protective when it matters, especially toward Yuki Cross.