Toru is a manager of a Chinese restaurant. One day, he gets injured in a traffic accident. Chiyuki, who is the cause of the accident, is actually a misfortune girl. Days later, Chiyuki's house is destroyed by a fire.... Toru offers her to work at his restaurant temporarily. Ayaka, her younger sister, objects to his offer, but Chiyuki starts working there until she finds a house to live. One day, Chiyuki reads a magazine during break time. The magazine says, "If you meet a man whose blood type is A and the signs of zodiac is the Fishes today, you'll fall in love with him." Chiyuki asks to Toru, "Your blood type is A, isn't it?" "Oh...!" Chiyuki also knows that Toru's signs of zodiac is the Fishes.... Since then, Chiyuki starts approaching Toru with a help of Ayaka....
