Warning: This song contains explicit lyrics and themes; it may be inappropriate for younger audiences.
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The enamored girl. She has a bright laughter and her eyes are filled with madness. I've realized something.
The song was originally uploaded onto Nico Nico Douga on July 21, 2009. It currently has more than 600,000 views on the site, making it one of Machigerita-P's most popular works. The song tells a story of a stalker (Miku) who is stalking someone who is dating another woman. It is featured on Machigerita's Fallen and the compilation albums EX:P ～Ex:Producers～ and GOTHIC & HORROR.
Machigerita stated in a livestream he wrote the lyrics for the song while taking a train ride home, commeting that he sometimes thinks back and wonders what was going through his brain when he wrote it.
A Fanmade PV of the song in which Miku stalks and tries to seduce Kaito, who's dating Meiko. When she sees them together, she assaults Meiko but Kaito pushes her away and yells at her. This drives her insane and she kills them both.
Silver Mit's PV
An MMD PV by Silver Mit, done for the 8th MMD Cup. In this video Miku stalks to Kaito, who is dating to Rin. The PV seems to be more based off of the "murder case".
A Fanmade PV of the song done by . In this video Miku stalks to Kaito, who has a relationship with Luka. Miku kills Luka and sends her dismemberd torso to Kaito, which makes him snap and murder Miku.