<Tr> <Th> 79 </Th> <Td> LUCY!! </Td> <Td> October 3, 2015 ISBN 978 - 4 - 08 - 880496 - 5 </Td> <Td> August 2, 2016 ISBN 978 - 1 - 42 - 158815 - 5 </Td> </Tr> <Tr> <Th> 80 </Th> <Td> Opening Speech Kaimaku Sengen (開幕 宣言) </Td> <Td> December 28, 2015 ISBN 978 - 4 - 08 - 880578 - 8 </Td> <Td> November 1, 2016 ISBN 978 - 1 - 42 - 159024 - 0 </Td> </Tr> <Table> <Tr> <Th> No . </Th> <Th> Title </Th> <Th> Japanese release </Th> <Th> English release </Th> </Tr> <Tr> <Th> 81 </Th> <Td> Let's Go See The Cat Viper Nekomamushi no Danna ni Ai ni Yukou (ネコマムシ の 旦那 に 会い に 行 こう) </Td> <Td> April 4, 2016 ISBN 978 - 4 - 08 - 880648 - 8 </Td> <Td> February 7, 2017 ISBN 978 - 1 - 42 - 159159 - 9 </Td> </Tr> <Tr> <Th> 82 </Th> <Td> The World is Restless Zawatsuku Sekai (ざわつく 世界) </Td> <Td> July 4, 2016 ISBN 978 - 4 - 08 - 880726 - 3 </Td> <Td> May 2, 2017 ISBN 978 - 1 - 42 - 159269 - 5 </Td> </Tr> <Tr> <Th> 83 </Th> <Td> Emperor of the Sea, Charlotte Linlin Kaizoku "Yonkō" Shārotto Rinrin (海賊 「 四 皇 」 シャーロット ・ リンリン) </Td> <Td> November 4, 2016 ISBN 978 - 4 - 08 - 880801 - 7 </Td> <Td> August 1, 2017 ISBN 978 - 1 - 42 - 159433 - 0 </Td> </Tr> <Tr> <Th> 84 </Th> <Td> Luffy vs. Sanji Rufi Bāsasu Sanji (ルフィ VS サンジ) </Td> <Td> February 3, 2017 ISBN 978 - 4 - 08 - 881002 - 7 </Td> <Td> November 7, 2017 ISBN 978 - 1 - 42 - 159700 - 3 </Td> </Tr> <Tr> <Th> 85 </Th> <Td> Liar Usotsuki (ウソつき) </Td> <Td> May 2, 2017 ISBN 978 - 4 - 08 - 881070 - 6 </Td> <Td> February 6, 2018 ISBN 978 - 1421598208 </Td> </Tr> <Tr> <Th> 86 </Th> <Td> Emperor Assassination Plan Yonkō Ansatsu Sakusen (四 皇 暗殺 作戦) </Td> <Td> August 4, 2017 ISBN 978 - 4 - 08 - 881198 - 7 </Td> <Td>--</Td> </Tr> </Table> <Tr> <Th> No . </Th> <Th> Title </Th> <Th> Japanese release </Th> <Th> English release </Th> </Tr>

How many one piece manga volumes are there