The God-Tier Guardian and the Love of Six Princesses Vol. 16 (Kodansha, 2025)

Lloyd and the princesses, joined by the new transfer student Nana, strengthen their bonds and make lasting memories at the magic festival of their last year at the academy. However, during that festival, they also stumble upon the secret study of the founding dean in the old schoolhouse used a thousand years ago. Suseri manages to repair it, and according to the recording that Freed left behind, after the war, the Heavenly Empire participated in a secret project that could shake the very foundations of the world, and the results of that project presented a potential threat even today. The gang comes together once more to unveil the secrets of the past and protect the world! The truth will soon be revealed in the 16th volume of this popular fantasy series!