- E-bookThere Was No Secret Evil-Fighting Organization (srsly?!), So I Made One MYSELF! Volume 1Hagane Kurodome
- E-bookThere Was No Secret Evil-Fighting Organization (srsly?!), So I Made One MYSELF! Volume 2Hagane Kurodome
- E-bookSéries: There Was No Secret Evil-Fighting Organization (srsly?!), So I Made One MYSELF!Hagane Kurodome