Eccentric young man "Santarou" is constantly in search of love, most of the time, from the often calm and collected "Chiyoko". Hijinks ensue as in every chapter he devises a new scheme or gimmick to gain the affection of Chiyoko or other girls. However, with the help of his opportunistic little sister "Nanako", things often get out of hand. There is little continuity within each chapter, instead opting for interesting episodic stories.