Three Japanese men in their thirties and forties are professionals working in law, dentistry and banking. These three men are close friends and they enjoy their lives as single men, but they begin to wonder about the merits or necessity for marriage.

• Issey Takahashi
• Takumi Saitoh
• Kenichi Takitoh
• Riisa Naka
• Maryjun Takahashi
• Yuki Sakurai
• Taichi Saotome
• Risa Naito