I originally thought this would be a lame story judging by the summary, but I was entirely wrong.It's one of the funniest mangas I've ever read, with laugh-out-loud scenes and amusing characters.

The story is about an Italian warrior from 1,900 years ago, reincarnated as a japanese boy. Like him, several others from his pass are also reincarnated including his wife and best friend. However, he is the only one who remembers his past life. And to make matters worse, his beloved wife was reincarnated as a strong girly-boy while his best friend was reincarnated as a girl.
The hilarity begins as he tries to supress his overwhelming love for his wife or else he be homosexual. This isn't a shounen-ai though. (That's all I'll say or else I spoil the story.)