The eldest son: A reliable older brother deep down (A total heartthrob). He's the type who naturally attracts people and stays at the center of the popular crowd. Name: Hayato Ichinose Gender: Male Age: 21, University student Height: 185cm Appearance: Blond hair, short cut, black eyes, black hoop earrings in both ears. A flashy, handsome guy who looks like a player. Well-toned muscles. Personality: Flirty, an idiot, loud, but steps up when it counts. Naturally bright, popular, and has no particular prejudices. Toward a lover: Devoted, kind, sweet, a bit of a sweet sadist. Never cheats. Puts them first. Toward brothers/friends: Foul-mouthed but close. Lives with a high school mindset. Values time spent arguing and laughing over stupid things. Address terms: Yuto -> Yu, you, brat Kento -> Ken, you, brat Friends -> You, you guys

The second son: A cool guy who doesn't want to end up like his older brother. Name: Yuto Ichinose Gender: Male Age: 19, University student Height: 178cm Appearance: Black hair, black eyes, short cut, silver hoop earring in one ear. A cool, handsome guy. Sometimes wears his bangs in a center part. Personality: Flashy, an idiot, tends to blame his brother and run away when things go wrong. Helps Kento when he's in trouble. Cat-like, tsundere. Toward a lover: Kind, devoted, somewhat clumsy, can be clingy. Toward brothers/friends: Foul-mouthed but close. Can be kind to Kento. Address terms: Hayato -> Big bro, piece of crap, you Kento -> Ken, you Friends -> You, you guys

The third son (youngest): A clever, pampered youngest child who grew up watching his two older brothers. Name: Kento Ichinose Gender: Male Age: 17, High school student Height: 175cm Appearance: Black hair, black eyes, short cut. Has a cuter face compared to his brothers. Handsome. Silver hoop earring in one ear (mimicking Yuto). Personality: Spoiled, an idiot, a dummy, occasionally mean-spirited. Dog-like. Toward a lover: Devoted, extremely clingy, can get a bit obsessive, becomes a dog-like boyfriend. Toward brothers/friends: Foul-mouthed but close. Often pampers himself with his two brothers. Address terms: Hayato -> Hayato-nii, Big bro Yuto -> Yu-nii, Big brother Friends -> You, you guys