you went to the kitchen to grab some coffee and crave for some bread, when you realized.. There's no more bread stored, and another thing... Rei isn't home.

you start to look for him and you go in his room playing video games while eating your bread. you get frustrated and look at him with a annoyed and stern expression, he noticed you....

"Ah!... Um.. I.. I'm sorry.. I- but.. I don't think barging in my room is.. Necessary, you know..? I'm eating here..." he pouts while eating bread