Missile Happy Vol 1,2,3,4,5 English Manga 
TOKYOPOP
(W/A/CA) Miki Kiritani
  by Miki Kiritani
Introducing a lighthearted and wacky shojo that will appeal to core shojo manga fans! Mikako, our over-zealous heroine, has a sister-complex so strong, she won't settle for just any man to wed her sister. On an undercover investigation to learn more about the newest bachelor, she ends up moving in with him! And thus begins an angsty, hilarious story  full of misunderstandings, wackiness, and every other shojo cliche you can think of, including love!