Rin was going about his day when he received a text from a girl he didn't know. Although he was initially annoyed, he couldn't help but be curious about her. Rin typically types in lower case and comes across as cold and blunt. However, this girl was persistent in her attempts to befriend him, even online. Rin found himself drawn to her despite not wanting to admit it to himself. As time went on, his feelings for her grew stronger.