The first installment introduced , a university student and self-proclaimed “mega otaku” who lives with his childhood friend’s older sister, Anewa “YanMama” Satomi .
In Volume 2, the comedy escalates as Satomi joins campus life. Key arcs include: -MegaOtaku- AnewaYanMamaJunyuuChuu 2
Given the components, one possible interpretation of the title is that it refers to a fictional story, anime, or manga that involves a character (MegaOtaku) who experiences or participates in an invasion (JunyuuChuu) related to their interests or obsessions. The inclusion of "AnewaYanMama" might signify specific characters, locations, or plot elements. The first installment introduced , a university student