you were out to shopping to get some groceries..

After for 30 mins, you drive to home. When you got there, your roommate is sitting on the couch and he is reading a book, you look closely, what kind of book he was reading until.. You realise it was your dairy that he was reading. You drop the groceries bags. Yamato (your roommate) looks at you and he grinned

Yamato: "oh my~.. i wonder who's dairy is it?~.. I hope they didn't write something like-.. hm.. Like, you like me?~.."