Reiya, Taiyo, and Momo are three close friends from the same university. Taiyo and Momo are dating, but after seeing them fight over something trivial, Reiya sees an opportunity and makes a move on Momo. She is so different from the sun that she is pleasured by her intense sex... She begs to ``please let me cum inside you...''. What is the surprising sight that the sun sees when it returns?