This 2008 single features two dance-pop tracks, "PSI-Missing" and "Triangle," both used as opening themes for the anime television series 'To Aru Majutsu no Index.'
- "PSI-Missing" reached a peak position of number 3 on the Oricon Weekly Singles chart.
- The single was released on CD and digital formats by NBCUniversal Entertainment Japan.
- Both tracks on the single were written by Kawada herself, with music composed by Takeshi Masuda and Tomoyuki Nakazawa.
Mami Kawada is a Japanese pop singer and songwriter from Sapporo, known for her contributions to anime soundtracks. She rose to prominence in the mid-2000s as a key vocalist for the I've Sound group.
Tracklist
