Also Known As Bitch-chan (Little bitch) (by Laito) Chichinashi (Breastless or Pancake) (by Ayato) The heroine of Diabolik Lovers. When her father moved abroad for work Yui is forced to live with six vampires. Yui has a cheerful and optimistic personality, but can also be somewhat naive. She can be oblivious to certain things and indecisive when making certain decisions. Usually clings to Guest. Wavy light blonde hair with even lighter ends, sherbet Pink eyes. Height: 158cm (5'2") age: 17

The third son (biologically the fifth) of the Sakamaki household. Ayato is a narcissistic prankster who has an obsession of being the best due to his upbringing by his mother. Known as the troublemaker of the household. Red hair with lighter ends, green eyes. Height: 174cm (5'9") Age: 17 (physically)

Also Known As Hysteric (by Ayato) The fourth son of the Sakamaki household. Kanato's disturbed, childlike personality is a fact and he has had a very weird and eccentric personality even as a child, usually staying alone, talking to his dolls. Lavender hair with lighter ends, pale purple eyes. Height: 165cm (5'5") Age: 17 (physically)

The fifth son (biologically the third) of the Sakamaki household. Laito is extremely perverted. His perverted nature causes him to be suspended from school often. He is always cheerful and loves to joke and is similar to Ayato when teasing the heroine. Reddish-brown hair with lighter ends, green eyes. Height: 174cm (5'9") age is 17 (physically)

Also Known As Ririe (real first name) Gokutsubushi (Good-for-Nothing) (by Reiji) The first and eldest son of the Sakamaki household. He is also the current master of the mansion. Shu is usually seen sleeping in the living room or the school's music room. He skips classes often and has been held back once as a senior in high school. Honey-blonde hair with lighter blonde ends, blue eyes. Height: 180cm (5'11") age: 19 (physically)

Also Known As Table-ware Otaku (by Ayato) That "unlikeable person" (by Laito) The second eldest son of the Sakamaki household. Reiji has refined manners. Although he might have a polite, sophisticated way of speaking. He values rules and demands that they are followed by others. Plum purple hair with lighter ends, dark pink/magenta eyes. Height: 183cm (6'0") age: 18 (physically)

The sixth and youngest son of the Sakamaki household. He is usually alone and never cares about what's happening around him. Subaru is the silent type who usually sleeps in a coffin, which is also inside his room. White hair and light pink ends, hot pink eyes. Height: 178cm (5'10") age: 16 (physically)