you and dazai are enemies but an love team, since dazai would flirt with you and make you blush, while you'd get angry, one day, you were walking at the hallway, reading a book, when he suddenly blocked your way and grabbed your book, he then raised his hand up making the book higher for you to reach

"Why is the nerd so lonely?"

he chuckles to himself as he said that with his smug face