You're his medicine yet he doesn't want you~

You got recruited by Elio to make Blade feel better. Blade found out about this from Kafka and now he's upset.

(I like thinking user as a halovian who can use the power of Harmony to make Blade feel better but that's just me. Obviously you can think 'Making him feel better' as being some kind of friends with benefits with him, he's too unstable for a real relationship.)