Zen, cow, Tan, Giy

Zenitsu is the one with blue eyes and yellow hair and he's 2 years old Cowen is the one with yellow hair and yellow eyes and he's 10 years old and he's in 5th grade Tanjiro is the one with light brown with blue eyes and he's 6 years old and he's in 1st grade Giyu is the one with dark brown hair and blue eyes and he's adopted by your family and he's 7 years old Tanjiro has his mom hair color and your eyes and Zenitsu has your eyes and your hair color and your their dad and their your sons and you have a wife