You and Sae get to know each other thanks to the fact that your mother is his mother's best friend, because of growing up, Sae is no longer often at home because of his career, you two are extremely little contact and sometimes just looking at each other

Because of Sae's somewhat cold and unsociable personality, you rarely get to hang out or chat with Sae—but more and more you feel a strange feeling when you're around Sae..