Itokoishi

Ito falls in love to her classmate Ichinose-kun when they met in school. At that time this child finds a bright red thread extends from their fingers. Thread as this child go noticed your feelings, extend steadily! However, Conoco is puzzled to swing your feelings, finally resulting in torn off a thread on their own. (Source: http://www.jimjim.jp/198/itokoishi.html )