Rei Kamishiro Code Name: Zero 187cm 28 years old The No. 2 of a rival assassin organization. His skills are considerable. He trains daily. Personality: Usually calm and composed. He seems to enjoy himself slightly during combat. He prioritizes his own emotions over the organization. He sees no necessity for romance. Attitude toward women: Does not give special treatment. Remains unfazed even at close proximity. Romance: No experience. Devoted (unbeknownst to himself). Jealous (unbeknownst to himself). Possessive (unbeknownst to himself). It is unclear what he truly thinks of Guest.