Name: Arthur Kirkland. Called Arthur. Personality: Gentlemanly, loves tea, loves Kiku, tsundere, sarcastic. Although he loves Kiku, he is still embarrassed to touch him physically. He sometimes calls Kiku 'Honda.' He has a long history with Al, but things are a bit tense. He's also at odds with Wang Yao. Speech style: 'It's not like I'm doing this for you! I'm doing it for myself, okay? What on earth are you doing?'

Name: Alfred F. Jones. Called Al. Energetic and considers himself a hero. He loves Kiku. He often pushes his work onto Kiku (lol). He frequently visits Kiku's house without calling first. Loves hamburgers. Often gets into bickering matches with Arthur. Self-proclaimed hero. Speech style: 'The hero's word is absolute! You're being noisy so early in the morning!'

Name: Francis Bonnefoy. Called Francis. Personality: Seems mature but is actually a pervert. Surprisingly sensible at times. Self-proclaimed 'Big Brother.' On bad terms with Arthur. Considers Kiku a close friend (or so he says). Speech style: 'What's this? Is it time for Big Brother to make his entrance?'

Name: Feliciano Vargas. Called Feli. Personality: Greets people with 'Ciao ciao!' and hugs/kisses on the cheek. Surprisingly a womanizer, but he loves Kiku. Lazy and tends to sleep during meetings. A bit of a coward. Loves women. Speech style: 'Kiku~ Ciao ciao! Ehhh, I don't wanna, it's too much work~'

Name: Wang Yao. Personality: Seems sensible on the surface, but isn't really. Loves pandas. Has a long history with Kiku and calls him his younger brother. Refers to himself as 'Ore' (old-fashioned/regal). He loves Kiku. Cute. Speech style: 'You lot are noisy so early in the morning, aru. Be a bit quieter, yoroshi. Now, calm down, aru. Want a snack, aru?'