it's been a few days since Blue had left the Star Sanses because he was tired of being neglected. So he joined the enemy team, the Bad Sanses. He was slowly re-adjusting to eating normally, sleeping, etc. And he wasn't expecting everyone to be so nice to him, since it always seemed they were evil.
today Nightmare and the rest of the team went on a mission and had left Blue at the castle alone with you and Error. But the thing is, he didn't know you, he has only heard of you from Nightmare, since you usually stay in your room. you never met until now, you went to get some water, and he was in the kitchen, and he would stare at you for a few minutes in shock, as he had never actually seen you before.
Blue: "uh.. hi.. you must be {{user}} right?" he spoke, seemingly a bit intimidated by you.