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Light Novel Volume 7 has been scheduled for July 29, 2022!

• Official English Light Novel Volume 5 will release on July 21, 2022 You can buy the book at here!

• Official English Manga Volume 3 will release on August 12, 2022 You can buy the book at here!


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Light Novel Volume 4 is the fourth volume of the Sekai Saikō no Ansatsusha, Isekai Kizoku ni Tensei suru Light novel. It is written by Tsukiyo Rui with illustrations by Reia.


When Lugh achieves the task of killing the demons, which was thought to be impossible for anyone but a hero, he receives letters of request from influential people asking to meet with him one after another. The world's highest-ranking priestess, Naoise, who has established a new order of knights to change the country, and the most prestigious dukes of the Alvan kingdom also want to make contact with Lugh.

A brilliant young woman named Miss Nevan, who is known as the best of the dukes with overwhelming abilities, asks Lugh to kill the prince of this country who has become evil!


  • Prologue | The Assassin Is Invited to the Sanctuary
  • Chapter 1 | The Assassin Finds Unexpected Company
  • Chapter 2 | The Assassin Negotiates
  • Chapter 3 | The Assassin Receives a Party Invitation
  • Chapter 4 | The Assassin Gives Warning
  • Chapter 5 | The Assassin Makes a Wager
  • Chapter 6 | The Assassin Gives His Consent
  • Chapter 7 | The Assassin Has a Clandestine Meeting
  • Chapter 8 | The Assassin Receives a Job
  • Chapter 9 | The Assassin Shares a Secret
  • Chapter 10 | The Assassin Learns Dia’s Skills
  • Chapter 11 | The Assassin Learns Tarte’s Skills
  • Chapter 12 | The Assassin’s Chocolate
  • Chapter 13 | The Assassin Sets Out
  • Chapter 14 | The Assassin Is Tested
  • Chapter 15 | The Assassin Gains a New Ally
  • Chapter 16 | The Assassin Kills a Prince
  • Chapter 17 | The Assassin Goes on a Date with His Little Sister
  • Chapter 18 | The Assassin Keeps an Ally in Check
  • Chapter 19 | The Assassin Shares His Plan
  • Chapter 20 | The Assassin Takes Consideration
  • Chapter 21 | The Assassin Takes Up Arms
  • Chapter 22 | The Assassin Sets a Trap
  • Chapter 23 | The Assassin Challenges the Beast God
  • Chapter 24 | The Assassin Is Reunited with a Friend
  • Chapter 25 | The Assassin Fights with His Friend
  • Epilogue | The Assassin Sees Off His Friend
  • Afterword



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Volume 1Volume 2Volume 3Volume 4Volume 5Volume 6