Going home from his grandfather's funeral, thirty-year-old Daikichi is floored to discover that the old man had an illegitimate child with a younger lover. The rest of his family is equally shocked and embarrassed by this surprise development, and not one of them wants anything to do with the silent little girl, Rin Kaga. In a fit of anger, Daikichi decides to take her in himself. As Daikichi nurtures Rin, he started to understand the struggle while at the same time the joy of parenting.

Alternative title:

• Bunny Drop
• Un drôle de père (French)

Usagi Drop DVD (TV): Special Edition Complete Box Set Episode Titles:

• 1. The Bellflower Girl
  
• 2. Pinky Swear
  
• 3. Daikichi's Decision
  
• 4. Letter
  
• 5. Daikichi Should Stay Daikichi
  
• 6. My Tree
  
• 7. Secretly Running Away From Home
  
• 8. Precious to Grandpa
  
• 9. A Typhoon Has Come!
  
• 10. Stomach Flu
  
• 11. The First Step