Koino and Reina met at a part-time job when they were students.Now that I have become a member of society, I was living a room-sharing life while working at different workplaces.The two were active in romantic relationships with the opposite sex, and they didn't have any romantic feelings between women at all.But one day, Koino doesn't go well with her love affair or work, and she falls apart both physically and mentally.Reina wraps such a heartbroken Koino with her kind and warm friendship.Now comes the moment when the relationship between the two begins to change! !