Narumi Momose (a secret yaoi fangirl) decides to change jobs after her boyfriend breaks up with her, and runs into her childhood friend Hirotaka Nifuji (a hardcore game addict) at her new company by coincidence. Narumi tells Hirotaka that they're otaku friends, but Hirotaka has something that he wants to tell Narumi.

Hirotaka invites Narumi to his house after work, but Narumi starts acting weird. As they head to his place, Narumi talks about her childhood memories, but tells Hirotaka that she doesn't remember how they started being friends. Hirotaka has a sad look on his face as he listens.