Synopsis
Volume 1 follows Tooru, who never had much luck with women until things changed when he slept with his younger sister. From there the story traces his path as he pursues and gets involved with one woman after another.
Volume 2 shifts focus to Tooru's son Takeshi, who sets out to dig up the truth behind the circumstances of his own birth, and along the way crosses paths with a number of women of his own.
