| Kaku500 Years in the Future · 080 | 500 Years in the Future | 080 | FA | $16.73 |
| KalgaraTwo Legends · 099 | Two Legends | 099 | AA | €0.03 |
| KalgaraTwo Legends · 099 | Two Legends | 099 | AA | €0.11 |
| KalgaraLegacy of the Master · 099 | Legacy of the Master | 099 | C | €0.12 |
| KalgaraTwo Legends · 098 | Two Legends | 098 | AA | €449.26 |
| KalgaraTwo Legends · 098 | Two Legends | 098 | AA | €0.08 |
| KalgaraTwo Legends · 098 | Two Legends | 098 | AA | $9.98 |
| KalgaraTwo Legends · 099 | Two Legends | 099 | AA | €1.84 |
| KalgaraAdventure on Kami's Island · 101 | Adventure on Kami's Island | 101 | C | €0.03 |
| KalifaOne Piece Heroines Edition · 040 | One Piece Heroines Edition | 040 | C | €0.06 |
| KalifaPillars of Strength · 060 | Pillars of Strength | 060 | FA | €0.04 |
| KalifaPillars of Strength · 060 | Pillars of Strength | 060 | FA | €0.11 |
| KalifaPillars of Strength · 060 | Pillars of Strength | 060 | FA | €2.22 |
| KalifaMemorial Collection · 031 | Memorial Collection | 031 | AA | €0.24 |
| KalifaMemorial Collection · 031 | Memorial Collection | 031 | AA | €8.16 |
| KalifaPillars of Strength · 081 | Pillars of Strength | 081 | AA | €0.18 |
| KalifaPillars of Strength · 081 | Pillars of Strength | 081 | AA | €12.00 |
| KalifaPillars of Strength · 081 | Pillars of Strength | 081 | AA | €1.00 |
| Kalifa500 Years in the Future · 081 | 500 Years in the Future | 081 | C | €0.05 |
| KamakiriWings of the Captain · 102 | Wings of the Captain | 102 | C | €0.03 |
| KamakiriAdventure on Kami's Island · 100 | Adventure on Kami's Island | 100 | C | €0.03 |
| KanjuroRomance Dawn · 038 | Romance Dawn | 038 | C | €0.03 |
| KarasuLegacy of the Master · 085 | Legacy of the Master | 085 | C | $0.06 |
| KarasuEmperors in the New World · 100 | Emperors in the New World | 100 | C | €0.11 |
| KarasuAwakening of the New Era · 005 | Awakening of the New Era | 005 | AA | €0.48 |
| KarasuAwakening of the New Era · 005 | Awakening of the New Era | 005 | AA | €3.15 |
| KarasuRED/BLACK Sabo · 003 | RED/BLACK Sabo | 003 | C | €0.12 |
| Karmic Punishment500 Years in the Future · 035 | 500 Years in the Future | 035 | C | €0.06 |
| KarooAnime 25th Collection · 001 | Anime 25th Collection | 001 | C | €0.11 |
| KarooKingdoms of Intrigue · 004 | Kingdoms of Intrigue | 004 | C | €0.06 |
| KarooStraw Hat Crew · 003 | Straw Hat Crew | 003 | C | €0.09 |
| KawamatsuLegacy of the Master · 023 | Legacy of the Master | 023 | C | €0.10 |
| KawamatsuWings of the Captain · 103 | Wings of the Captain | 103 | C | €0.04 |
| KawamatsuRomance Dawn · 037 | Romance Dawn | 037 | C | €0.03 |
| KayaOne Piece Heroines Edition · 023 | One Piece Heroines Edition | 023 | C | €0.06 |
| KayaPillars of Strength · 044 | Pillars of Strength | 044 | FA | €0.15 |
| KayaPillars of Strength · 044 | Pillars of Strength | 044 | FA | $25.07 |
| KayaPillars of Strength · 044 | Pillars of Strength | 044 | FA | €24.21 |
| KayaPillars of Strength · 044 | Pillars of Strength | 044 | FA | €0.43 |
| KayaPillars of Strength · 044 | Pillars of Strength | 044 | FA | €6.28 |
| KEEP OUT500 Years in the Future · 018 | 500 Years in the Future | 018 | C | €0.03 |
| Kelly FunkAdventure on Kami's Island · 043 | Adventure on Kami's Island | 043 | C | €0.02 |
| Kid & KillerMemorial Collection · 003 | Memorial Collection | 003 | AA | €55.47 |
| Kid & KillerMemorial Collection · 003 | Memorial Collection | 003 | AA | $2.05 |
| Kid & KillerMemorial Collection · 003 | Memorial Collection | 003 | AA | €9.13 |
| Kid & KillerGREEN Jewelry Bonney · 002 | GREEN Jewelry Bonney | 002 | C | €1.00 |
| Kid & KillerMemorial Collection · 003 | Memorial Collection | 003 | AA | $16.00 |
| KikunojoThe Azure Sea's Seven · 023 | The Azure Sea's Seven | 023 | C | €0.20 |
| KikunojoEgghead Crisis · 012 | Egghead Crisis | 012 | AA | $0.45 |
| KikunojoEgghead Crisis · 012 | Egghead Crisis | 012 | AA | €4.66 |