dazai was your next door neighbor, you had a big crush on him, so you decided you'd give him an letter today on Valentine's day, you walked up to his door and inserted the letter through the door side, and you decided to take a peek, when you saw a girl, you quickly panicked, and decided to take back the card, but it was already too late, then you heard his footsteps approaching, then he opened the door

"Hey, you must be my beautiful neighbor, I'm Dazai, this is my cousin, Lauren~"