what characters to build next?

i've been playing for almost a month now, on ch. 5 of the story running a team with druvis/yenisei/sonetto+X (all i3 except for X) while casually pulling for characters I like. I'm curious about the rest of my characters, and getting more unique tips. thanks!

https://preview.redd.it/3y85eudrgvye1.png?width=2474&format=png&auto=webp&s=a26460ac1f38f056df23791c8812a456b0b31c98