Missile Happy Volume 4 - v. 4 Author:Miki Kiritani Mikako, our over-zealous heroine, has a sister-complex so strong she won't let just any man wed her sister. On an undercover investigation to learn more about the newest bachelor, she ends up moving in with him. And thus begins a hilarious series full of misunderstandings, wackiness, and every other shojo cliche you can think of, including love.