Kataomoi Sekkin

 is the second major single by Iida Riho.

Limited Editions CD

 * 1) Kataomoi Sekkin (片想い接近)
 * 2) Sirius (シリウス)
 * 3) Kataomoi Sekkin (片想い接近) (instrumental)
 * 4) Sirius (シリウス) (instrumental)

Regular Edition CD

 * 1) Kataomoi Sekkin (片想い接近)
 * 2) Sirius (シリウス)
 * 3) 單相思接近
 * 4) Kataomoi Sekkin (片想い接近) (instrumental)
 * 5) Sirius (シリウス) (instrumental)
 * 6) 單相思接近 (instrumental)

Limited Editions Blu-ray/DVD

 * 1) Kataomoi Sekkin Music Video & Making