Ace's Great Blackbeard Search

Ace's Great Blackbeard Search (エースの黒ひげ大捜査線 Ēsu no Kurohige Daisōsasen) was the 6th Mini-Series created as side stories on the title pages of each One Piece chapter.

Length
Ch. 272-305 (29 installments)

Short Summary
During the course of his travels to find Blackbeard, Ace befriends the milk-maiden Moda after she saves his life, and in return, infiltrates the Naval base G2 to deliver a message to Officer Comil. During his undercover stint, he inadvertently helps reunite Moda with her parents, and acquires information on Blackbeard.

Chapter Titles

 * 1) Capture the Guy Who Ate and Ran (chapter 272)
 * 2) Pardon Me for the Eat and Run (chapter 273)
 * 3) Asking Around (chapter 275)
 * 4) Wrong Guy (chapter 276)
 * 5) Toss Him in the River! (chapter 277)
 * 6) Saved From the Current Leading Out of Town (chapter 278)
 * 7) Ace Wakes Up (chapter 279)
 * 8) Milking Girl Moda's Problem (chapter 280)
 * 9) Delivering the Letter in Exchange for Saving My Life (chapter 281)
 * 10) Grand Line Marine Base G2 (chapter 282)
 * 11) Infiltrating the Marine Base (chapter 283)
 * 12) Havin' a Feast in the Marine Dining Hall (chapter 285)
 * 13) Heard You Talkin' Smack About Whitebeard (chapter 286)
 * 14) Intruder, Commander Ace (chapter 288)
 * 15) The Military Meeting's Coffee Is Awful (chapter 289)
 * 16) Vice Admiral Comil Hates the Base's Bitter, Gross Coffee (chapter 290)
 * 17) Top Secret Marine Intelligence Ship Returns (chapter 291)
 * 18) Top Secret Marine Intelligence Ship Catches Fire (chapter 292)
 * 19) Pirates Burned the Ship. Top Secret Intelligence on Fire Is a Bad Thing!! (chapter 294)
 * 20) A Sailor Jumps Into the Flames (chapter 295)
 * 21) The Sailor Who Saved Our Men and Intelligence Is On Fire (chapter 296)
 * 22) Ace Gets Busted (chapter 297)
 * 23) Forgot Something (chapter 298)
 * 24) Moda's Letter (chapter 299)
 * 25) Blackbeard Information Extraction Successful (chapter 300)
 * 26) Special Marine Grocery Ship on a Trip to Buy Milk (chapter 301)
 * 27) The Cooks on the Marine Grocery Ship are Moda's Parents (chapter 302)
 * 28) Coffee with Milk Makes for Happy Meetings (chapter 303)
 * 29) In the Name of Piracy (chapter 305)