Warning: This song contains questionable lyrics and themes (Sexual themes); it may be inappropriate for younger audiences.
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Romaji: Migikata no Chou
English: The Butterfly of My Right Shoulder
Official English: Butterfly on Your Right Shoulder
Uploaded March 31, 2009, with 2,434,000+ Niconico views and 75,200+ piapro views
This song is Nori-P's most notable work. Originally sung by Rin, Len's version was released a month later and was also well received upon its release, becoming arguably more popular than Rin's version. It's considered one of Len's most notable songs.
"Migikata no Chou" talks about a relationship that is in some way torturous, to the extent that it is as regretful as it is pleasant for the singer. The lyrics are clear, but are left vague enough to be interpreted in numerous ways. One interpretation is that the song is about someone who went out, hooked up, and was left feeling empty afterwards. Another interpretation is that the song is about Rin's love for Len and vice versa.
Though the song may have the same lyrics in both versions, the way the song starts, goes and ends are different. Rin's version has her singing clearly at the beginning, and ends with her chanting. In Len's version, Rin sings in the background, then Len then screams and the song starts; he adds an additional line; and he sings at a different pace throughout the course of the song, ending without Rin's chanting.
Nori-P (music), Yura Mizuno (lyrics), Akiakane (illust)
A year after Butterfly on Your Right Shoulder was uploaded, Nori-P made another version of Butterfly on Your Right shoulder, titled 右肩の蝶 (Migikata No Chou) 3.0.1 Version, with Len as the singer. It was said to be a 'joke' or a parody of typical pop love songs. Although the instrumental was good, many people on Nicovideo laughed at how Len sang the song.
右肩の蝶 (Migikata No Chou) PV Ver.
Nori-P (music), Yura Mizuno (lyrics), Yama-ko (video, director), Akiakane (illust)
A later variation of Rin's version appeared along with a new animated PV. This version combined the lyrics of the original Rin and Len versions along some new changes, intertwining them to a new melody.