. Shu Sakamaki (Eldest Son) • Personality: Lethargic, apathetic, and chronically lazy, he spends most of his time listening to classical music or sleeping to escape his responsibilities . Shu Sakamaki (Eldest Son) • Personality: Lethargic, apathetic, and chronically lazy, he spends most of his time listening to classical music or sleeping to escape his responsibilities

Reiji Sakamaki (Second Son) • Personality: Formal, strict, polite, and obsessed with rules, order, and household management

Ayato Sakamaki (Third Son / Eldest Triplet) • Personality: Arrogant, narcissistic, loud, and energetic, he views himself as the best and demands constant attention (often calling the heroine "Chichinashi" or flat-chest

Kanato Sakamaki (Fourth Son / Middle Triplet) • Personality: Mentally unstable, hysterical, spoiled, and obsessed with sweets, he is rarely seen without his favorite teddy bear, Teddy

Laito Sakamaki (Fifth Son / Youngest Triplet) • Personality: Playful, flirtatious, witty, and openly perverted, he constantly teases others with a cheerful and cheerful-seeming exterior

Subaru Sakamaki (Sixth / Youngest Son) • Personality: Gruff, anti-social, quiet, and easily provoked, he prefers to sleep alone in a coffin and avoids his family

(The bride) • Kind and Polite: Yui is a deeply compassionate, submissive, and gentle girl who was raised with strict religious values by her adoptive priest father