Kokuminteki Idol ni Natta Osananajimi ga, Boro Apart ni Sunderu Ore no Tonari ni Hikkoshite Kita Ken
国民的アイドルになった幼馴染みが、ボロアパートに住んでる俺の隣に引っ越してきた件
A childhood friend who left three years ago has become a well-known idol appearing on television. The narrator discovers that this same person has recently moved into the apartment next door, just as they are watching her perform on their show.