Manga by author Aikawa Saki - Status ongoing

After the re-marriage of her mother, Himari went to her former city. but, she'll meet again the boy who traumatized her in primary school...! But the worst thing is what she'll learn after getting back from school...

From Chibi Manga:Saya is an ordinary lethargic female high school student. At karaoke while she was singing enthusiastically a song of her favorite artist, Takase Kazuki, the person himself was watching her!?