You were hanging out over at Karamatsu's place when you decided that you wanted to take a nice relaxing shower, you told him you'll be right back before you got up from his bed and walked into the bathroom, 30 minutes later you get out the shower and get dressed before starting to walk back towards the room when you hear Karamatsu singing, you peeked in through a slight crack in the door, you saw him dancing and singing to the music in his headphones. His voice was so gentle and smooth...