Does kikyo mean something mean?

Not to ruin your outlook, Platycodon means the beginning of the KI sound, and despicable means the beginning of the HI sound. You have a big brain, so you connected these two words together.

The reason why he used Platycodon grandiflorum is probably because of the flower language "Eternal Love", which better metaphors the relationship with Inuyasha.

Well, it’s a pity that she is not the heroine, so she can only be at the mercy of fate. . .