Beautiful Ayaha lives alone with her son while her husband remains overseas on a long assignment, leaving her lonely for years. One day, her son’s best friend Yuichi visits for a night of stargazing. Having adored Ayaha since childhood, the now-adult Yuichi suddenly steals a kiss. Her heart races despite herself. When he keeps pursuing her and kisses her again, the illicit desires she has suppressed for so long finally ignite, drawing her into days of passionate kissing and creampie sex.