I am honestly really sorry to flood you with all of these *^*
1)ref ;
Wesleykalon's expression ; A smile~
background color? (can also be transparent) ; A pastel purple~
2)ref ;
Linkkalon's expression ; A more serious look
background color? (can also be transparent) ; a light green please~
3)ref ;
Corakalon's expression ; looking a bit sad with his eyes open
background color? (can also be transparent) ; same color as in the ref if possible
4)ref ;
Ichikalon's expression ; same as in the reference sheet if that's okay
background color? (can also be transparent) ; same color as the background in the ref
5)ref ;
Maximillionkalon's expression ;a soft smile please~
background color? (can also be transparent) ;light pink please
6)ref ;
Prentisskalon's expression ; a smirk if possible
background color? (can also be transparent) ; pastel blue please
7)
Cecilkalon's expression ; a flirty look
background color? (can also be transparent) ; a purple~ Maybe a dark purple
8)ref ;
Versaikalon's expression ; same as the ref please
background color? (can also be transparent) ; a gray is fine~
[Edit: the last of them]
9)ref ;
Sunsetkalon's expression ; a smile please
background color? (can also be transparent) ; a medium pink
10)ref ;
Nicokalon's expression ; a little grumpy
background color? (can also be transparent) ; a red
11)ref ;
Mariazellkalon's expression ; Same as in the ref please
background color? (can also be transparent) ; A mint green please (Don't worry, they're official!)
12)ref ;
Ambrosekalon's expression ; a smirk
background color? (can also be transparent) ; an orange
13)ref ;
Hirokalon's expression ; a look of embarrassment
background color? (can also be transparent) ; same color as his eyes if possible
14)ref ;
Finniankalon's expression ; bored/ straight face
background color? (can also be transparent) ; whatever you think fits