Hi, yes, the issue is with my translation. Shirayuki said '君に望まれたら私もやぶさかではないけどね', which means something closer to 'If that's your wish, I would gladly do it.'
IMO, it's not that she's okay with Meiko dying or anything, she's just saying "Hey, I could eat you if you want me to ;)" in a playful way