Oshi ga Fan no Fan ni Nacchau Ohanashi

Tanpopo, an office worker, is a big fan of the singer Itto. In the past, she was told she was "too devoted to the point of being overwhelming," so now she carefully supports her favorite artist without standing out or getting noticed. But what she doesn’t know is that Itto has secretly noticed her—and has even become her fan. (Source: Natalie, translated)