I loved this manga. Actually it's my favourite, no doubt. A serious plot but with funny moments; beautifull draws and characters; intelligent girls; real situations, a good love history between a girl and a boy.
Their parents are in love so they have to live together, but it isn't de tipycal history with a stupid girl and stupid situations. You'll love the characters ^_^
There's drama in the history? Only a little bit.

Sorry, my english isn't very good :'(