"It's the first summer vacation of their high school lives and that means time apart for two young lovebirds. While Arima is off training hard for the national Kendo Tournament, Yukino is trying hard just to be herself and relax with her first real friends. Unfortunately her sunny days of relaxation come to an abrupt halt when Tsubasa announces she's running away from home. It seems another woman has invaded her father's heart and now he wants to marry the harlot against her wishes. Dragged into the middle of the girl's family problems, can Yukino help Tsubasa mend the rift with her father, or will she end up losing her new friend?"--Container.