The hell her sister get caught in chuunibyou and he also a former one... In the first place how the hell that these guy know word like magical girl and stuff...
At first I contemplate whether to read this story because of the cover image everytime I ran out of stories and fanfic to read, for now I saying it was worth the experience to read this, IDK about future if my interest change but for now its great.
Ok just a thought what it the MC is a reincarnator who was a otaku/chuuni and during the transmigration he forgot his memories because his history was so embarrassing?