i think they were saving SHOCK -Unmei- for a future album release, which seems to be MAGAZINE, of course.

that's why it wasn't on ATTITUDE.
so the singles for MAGAZINE should be: SHOCK-Unmei-, 5-FIVE-, and LOL! funny how they're all capitalized

it'd be impossible for them to not be included in the album.
also, even if sony considers hellcat as meisa's debut album, MAGAZINE will still be considered as her first "full" album. so as far as studio albums go, it'd just be hellcat & MAGAZINE. as far as mini-albums go, it'd just be ATITTUDE.
that's how i see it since this is how sony seems to be making it, but it's still very confusing, lol. i believe studio albums should be more than 8 tracks to be considered as an "album", but that's sony for you?