The manga adapts Rakuda’s and Buriki’s (Haganai, A Lull in the Sea character designer) light novel series of the same name, and launched in February 2017.
The OVA serves as a conclusion to the television anime series.
HIDIVE streamed the series as it aired under the title ORESUKI: Are you the only one who loves me?. The Ore wo Suki na no wa Omae Dake ka yo ~Ore-tachi no Game Set~ (ORESUKI: Are you the only one who loves me?: Game Over) original video anime (OVA) will ship on Blu-ray Disc and DVD in Japan on September 2.
Kadokawa began publishing the light novel series in February 2016, and released the 14th novel on June 10.