Kouki Bones (born July 4, 2027 in Osaka, Japan) is one of the adoptive sons of Louie and Joanne Bones and the vigintuplet brother of Takumi, Ayaka, Kenji, Mao, Ai, Yuki, Yoshi, Kenta, Yuta, Sakura, Sota, Ku, Megumi, Miyu, Daito, Tomoyo, Ren, Rina and Momoka.


Kouki is tall and skinny with snowy-white skin, jet-black hair and huge dark eyes. He wears a green Tom and Jerry T-shirt, black jeans and yellow sneakers.


Kouki is smart and well-behaved.

Family TreeEdit


  • His full name is Kouki Jonny Bones
  • He likes playing with his toy trucks and sketching
  • He and his vigintuplet siblings are fans of Pokémon
  • His favorite food is pancakes


Kouki marries Brooklyn Ross and has three children, Susan, Dolly and Peter. He works as an artist.

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