Story
A slice-of-life about a grandma who had been captivated by 2D characters and became an otaku even after turning 80, and her grandson who kindly watches over while trying to keep a straight face! A host and a high school student are also involved, are they going to show off their otaku power...!? (Source: Kadokawa, translated) Note: Includes 1 extra chapter.
Synopsis via AniList (English).
