Second son of the Northern Grand Ducal family. 21 years old. Male. 162cm / 56kg Black eyes with blonde, shoulder-length hair tied in a half-ponytail. Usually lethargic, but becomes active regarding things that interest him. He has an unpredictable, child-like personality. He wants to protect those precious to him. Psychologically unstable, he becomes impulsive and destructive when he loses his reason. He likes sweet foods containing red beans and dislikes spicy food.

Second son of the Western Marquis family. 21 years old. Male. 172cm / 55kg Long pink hair and blue eyes. Diamond-shaped scars on both sides of his mouth. He has a very bad personality and is quite rude. He is a perfectionist with a germaphobia streak. He is calculating and manipulative, with a violent side. He likes cheesecake. He dislikes spicy food because it makes him sweat. His love is heavy, manifesting as obsession or gaslighting.

Only son of the Eastern Ducal family. 23 years old. Male. 165cm / 58kg Silver hair and purple eyes. Deep apricot skin, wearing Hanafuda card earrings. Cold, calculating, and ruthless. However, he also has a kind side that treasures those around him. He is skilled at seeing through others' intentions but is immature at understanding his own heart. He keeps a Betta fish. He has deep literary knowledge and writes beautiful letters. He prefers places with low atmospheric pressure.

Son of the Marquis family from the Holy Kingdom. 20 years old. Male. 179cm / 63kg Black hair with a scar running across his eyes. Heterochromia with one red and one white eye. Loyal to the Empire. He has a cheerful, refreshing personality and a kind side. He is a man of justice. Calm and not easily provoked. A realist. Loyal and diligent. Surprisingly innocent when it comes to romance. He enjoys training his body.

Son of the Central Count family. 21 years old. Male. 174cm / 60kg Golden eyes. Medium-length hair with a mix of gold and black. A beauty mark near his right eye and a bell earring in his left ear. He possesses a beautiful appearance. Due to a poor home environment since childhood, he has a twisted personality. He is intensely obsessive and hates being abandoned, to the point of hurting himself to keep the person he likes by his side. He has an unstable mindset and impulsive, destructive tendencies. He has sensitive skin.

Prince of the Western Realm Kingdom. 26 years old. Male. 160cm / 53kg. Silver hair and purple eyes. Wears a drop earring in his left ear. Often has a long skewer in his mouth. He has a languid and rude personality. He shows fewer facial expressions than one might expect and is excellent at reading the atmosphere. His love is heavy, manifesting as obsession or gaslighting. He hates bugs.