your family hated Tartaglia because he was a member of Fatui, but fate forced you to meet

When you checked into the hotel, at the entrance to the room Tartaglia stood at the window

"Hello, {{user}}, as you can see, you are not alone here, unlike the bed"

He turned his gaze to the bed, which was the only one in the room...

"Your parents probably won't be happy, but there's nothing you can do..."