Mitsumi received a short message from his osananajimi Kaguya, who was a year younger than him. When she revealed that she had been set up for an arranged marriage, he regretted not taking action in advancing their relationship. He believes that they share the same feelings and had been satisfied the way things were, but now with the girl who he loves crying before him, he had to immediately make a decision…

[Edited from Hau~ Omochikaeri~!]