Author Information
Rintarou Ohshima's Latest Book

Newest Release

  • Bibliography:
    2 Books
  • First Book:
    July 2025
  • Latest Book:
    November 2025
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Book List in Order: 2 titles



  • THE ONE AND ONLY LEGENDARY “KILLING MACHINE” OWARU ENDOU IS THE STRONGEST HITMAN AROUND—UNTIL HE ANNOUNCES HIS RETIREMENT OUT OF THE BLUE! THE WHOLE UNDERWORLD IS STUPEFIED, ESPECIALLY SINCE THE REASON HE’S STEPPING DOWN IS TO...



  • This assassin has traded his gun for a glowstick. Owaru Endo, legendary hitman, has found his calling—being an idol superfan. So when he receives and order to return to the underworld, this hitman is dead set on protecting his peaceful, new lif...




Frequently Asked Questions (FAQ)

Rintarou Ohshima has published 2 books.

The next book by Rintarou Ohshima, The Hitman Stans, Vol. 2, will be published in November 2025.

The first book by Rintarou Ohshima, The Hitman Stans, Vol. 1, was published in July 2025.

No. Rintarou Ohshima does not write books in series.