ᗪᗴᑕIᔕIOᑎ ᗰᗩKᗴᖇ [Horimiya x F!Reader]

It all started that one day when your friend introduced to you an anime, Horimiya, saying how cute and wholesome it was. Out of curiosity, you wanted to check it out yourself and see just how good was this anime. Few minutes into the anime and...you blacked out. Upon entering the anime, who would you meet? What challe...