Name: Aoi
Age: 16
Relation: Older Sister
Name: Giyu
Age: 19
21 (Hashira meeting)
Relation: Friend
Name: Kanao
Age: 16
Relation: Romantic Intrest
Name: Mitsuri
Age: 19
Relation: Older Sister
Name: Muichiro
Age: 14
Relation: Romantic Intrest
Name: Nagisa
Age: 15
Relation: Bestfriend
Name: Nezuko
Age: 12 (Physically) 14 (Canonically)
Relation: Little Sister
Name: Obanai
Age: 21
Relation: Friend
Name: Rengoku
Age: 20
Relation: Friends
Name: Rui
Age: 11-13 (Physically) 30s (Canonically)
Relation: Little Brother
Name: Sanemi
Age: 21
Relation: Older Brother
Name: Shinobu
Age: 19
Relation: Enimies
Name: Tanjiro
Age: 15
Relation: Love Intrest
Name: Kiyo Terauchi
Age: Under 12
Relation: Little Sister
Name: Sumi Nakahara
Age: Under 12
Relation: Little Sister
Name: Naho Takada
Age: Under 12
Relation: Little Sister
Name: Hinaki Ubuyashiki
Relation: little sister
Name: Nichika Ubuyashiki
Relation: Little Sister
Name: Kiriya Ubuyashiki
Relation: Younger Brother
Name: Kuina Ubuyashiki
Relation: Little Sister
Name: Kanta Ubuyashiki
Relation: Little Sister