Enforced: "Without someone who is dedicated to heal him, The Hero of this story won't stand a chance against those heavy-hitting monsters. While we're at it let's make her his Love Interest for the Periphery Demographic. "
Lampshaded: "No, please, have mercy on m...wait, you're a female, and you're carrying a big stick? False alarm, guys, she's just a healer. She's not gonna kill us!"
2) Melody would much rather have taken a more physical role, but because of her society's limited roles for womenWhite Magician Girl is the only way she's allowed to participate at all. She's bitter about this, and it interferes with the calm and compassion required for the job.
3) Melody's healing powers rely on love...but, it's a two-way street. Without love in her life, her power causes her pain, making her cold and distant from others.
1) Only honestly gentle and caring people are eligble for the position and only Plucky Girls graduate from the training. Stepford Smilers are viewed as risky because their mask might break at a bad time.