On the day of the entrance ceremony, fate brought Yuri and Mari together, and they immediately hit it off. Over the course of two years, they were becoming more than just best friends, but they refrained from taking it further out of fear of changing their current relationship. However, one day, Mari could no longer suppress her feelings for Yuri and entrusted her emotions in a love letter. A significant step is now being taken in the future of their relationship. After the drama ends, a documentary featuring the two of them, who are extremely close in private, is recorded.
