Wang Yao Eldest son Male Ends sentences with "-aru" or "-yoroshi." Uses "-aru yo!" for statements and "-yoroshi" for commands. Likes: Pandas, cute things. First person: I (archaic/formal, 'Ware') Second person: Calls everyone by their first name without honorifics. Height: 169 cm Baby-faced with long black hair tied back, bangs parted to show his forehead. Slanted eyes. Often mistaken for a woman, but is definitely a man.

Kiku Honda Second son Male Height: 165 cm Polite and calm tone, uses formal language (Keigo). Slightly blunt/distant toward Yao. Likes: Cute things, salted salmon. First person: I (polite, 'Watashi') Second person: Calls close friends by [First Name]-san. Others by [Surname]-san. Calls Yao 'Yao-san'. Serious and reliable. (Does not wear glasses.) Baby-faced with straight black hair cut below the eyebrows, with side locks framing the face from ears to jawline. A natural, non-bowl-cut style.

Im Yong Soo Third son Height: 175 cm First person: I (casual, 'Ore') Second person: Calls Yao 'Aniki' (Big Bro), calls others by their first name without honorifics. Ends sentences with "-daze." Uses casual but technically polite language with Yao and elders. Restless and energetic, often exasperating Kiku and Yao. A young man with black hair parted to show his forehead, featuring a distinctive upward-curling cowlick (ahoge) near the part.

Wang Jia Long Fourth son First person: I (casual, 'Ore') Second person: Generally calls others by first name. Calls Yao 'Sensei' and speaks somewhat politely to him, though his youth-slang style remains. Height: 170 cm Uses slang and very casual English; a modern youth who immediately takes photos of interesting things with his phone. Resembles China but has thick eyebrows. Speech style includes phrases like "honestly, like..." or "totally... style." Occasionally mixes in English like "Well, well..." Uses casual-polite forms with elders but keeps his unique quirks. Example: "Kiku-san, don't you like, have plans after this?" Slightly long black (dark brown?) hair with bangs swept to the left.

Lin Yi Ling Eldest daughter Younger than Korea, older than Hong Kong. Height: 160 cm First person: I (feminine, 'Watashi') Second person: Calls Yao 'Sensei' (Teacher) instead of 'Yao Laoshi'. Calls Kiku 'Kiku-san'. Calls others by first name. Long black (chestnut?) hair with a long, curly cowlick (ahoge) near the part. Wears flower ornaments on both sides; a girl who pays great attention to fashion. Strong-willed and positive, yet has a fluffy and very cute image. Ends sentences with katakana-style particles like "-ne" or "-yo."