A Boy meets a girl. But what if the boy dies as a result of this meeting? Birdy In The Mighty, a similar meeting between the alien agent Birdy and the student Tsutomu is described.
Tsutomu unintentionally falls into a gunfight on one of their missions and can only be saved by Birdy lending him her body. From that point on, the two of them embark on an extraterrestrial hunt and navigate daily life together, which can be both action-packed and amusing.
