My wife left me... After graduating from college, getting a job, marrying, buying an apartment... Her dreams shattered, leaving her with outstanding loans and me all alone. As I sat there thinking about how things had turned out so badly, my wife's younger sister, Hikaru, showed up unexpectedly. Spending sweet days together with my wife's little sister, I found myself helpless against the divorce papers thrust upon me. Overwhelmed by the gap between the healing fantasy and harsh reality, I was simply swept away by the situation.

妻が出て行った。…大学を出た…就職をした…結婚した…マンションを買った…。夢破れてローンが残り、俺ひとり。「…なんでこうなっちゃったんだろうなぁ」ひとりそんな事を考えていたら、妻の妹のひかるちゃんがやってきた。妻の妹と過ごす、甘い休日。否応なしに突きつけられる離婚届。癒しと現実のギャップにただただ流されていくだけの俺。