Asato and Akane have maintained a long-standing relationship that has remained purely affectionate without crossing into intimacy, leaving Asato confident in their enduring harmony. Their peaceful days are interrupted when Kyousuke, Akane's childhood friend, arrives seeking a place to stay for a short period. Despite some hesitation, they extend their hospitality to help him out, though subtle doubts begin to linger about what this arrangement might truly bring.
