Message Received (Bakugou Katsuki x OC)

Bakugou Katsuki wants to improve his English after enough incidents of tourists getting into trouble. Harper Bailey is hoping to learn enough Japanese to be able to take a trip to Japan one day. They find a site that sets up online pen pals to help them improve in the language they're learning. When they're paired together it's the beginning of a relationship neither of them expected.

Also available on AO3