Needing some help making a balanced team between my break and my remembrance team

I have a Break team with Rappa, HMC, the Daliha, and Gallagher (im planning to pull for fugue later)

Additionally my pasted remembrance team was aglaea, sunday, robin, and huohuo but i just got castorice and people are saying RMC and ruan is good with her (i also have hyacine) and lwk castorice is one of my favs character so i wanna uses her rn.

I'm planning to get her BiS (cyrere, evernight, etc.) but as of right now I'm trying to figure out if I should uses RMC, ruan, or sunday with castorice and if I uses RMC and ruan who do I uses for my rappa team. Thx (lmk if yall need more info)