One day, Seiri meets Mahiro, who has the same idea, the two enjoy the ease of dating within the rules of the relationship, which are not quite lovers, but are more like lovers. They also work hard and enjoy all the good things that come with it! But gradually, the desire for a deeper relationship begins to grow.? "I don't want to get hurt, I just want a fun love." But the truth is...?! A true love story of real feelings of hard-working men and women!