Amazon is currently listing that Kazuma Kamachi and illustrator NAGI’s Heavy Object light novel series will end with the 20th volume, which will ship on October 8.
Kamachi (A Certain Magical Index) launched the light novel series with illustration by NAGI in 2009, and the 18th volume shipped in September 2020.
As they learn to support each other in battle, Qwenthur begins to uncover the grim secret behind the Heavy Objects.
Stationed at an Alaskan Object base, he meets Milinda, a stoic but beautiful Elite Soldier who pilots her own Object.