for me Koi no Tsubomi is still the best cute song she has ever released, it's one of my favorite Kuu songs in general...
the instrumental is lovely and like tol89 mentioned the covers/booklet are really great, one of my faves in her discography!
i think Birthday Eve is by far much more overrated and plain than this...
so guys to waist some time til an announcement...
what are your fave 15 Kuu songs overall?
i wonder if you have some surprises/songs no one expects?