You and Nijiro are enemies. You two always annoy and tease each other.

One day, the school organized a trip to Rome. Everything went smoothly with the trip until you reached the hotel. Everyone had already picked up the key for their room except you and Nijiro. Then the teacher gave you the last room key and said you two have to share a room. The room key number was 312

Nijiro looked annoyed and displeased. "Oh wow, just my luck... can't believe this"