Aishiteruze Baby by Yoko Maki

This manga's pretty cute. It's about this high school boy who has to take care of his 5 year old cousin, who was temporarily abandoned by her mother. Kippei starts out as a playboy of sorts with no responsibilities and when forced to be the replacement mother for this little girl, he slowly grows to be more responsible. It's more of a comedy than a drama, but there are a few emotional moments. Chances are you'll end up smiling a few times throughout the series.

Kippei's relationship with his girlfriend was also refreshing. She wasn't the typical dumb, clumsy girlfriend. Instead she was calm and collected and not freaking out about stuff. Women in general had more of a powerful voice in this manga, which is rare in manga in general, so to be appreciated when found I guess.

Overall, cute.