Both the charm and contract is better, but don't push yourself. Your spirit friend loves you enough to wait.

[Satou is 100% guessing that Elliot befriended the spirit from the elevator. But they did seem to leave an impression on each other. Hearing Elliot's concern for the spirit in this situation does make Satou's heart ache with concern.]

You're doing enough already. I'll turn your love into magic using that charm, so whatever you choose... You'll both be okay.