Manga by author Morinaga Ai

From Del Rey:Hana Suzuki loves only two things in life: eating and sleeping. So when her handsome classmate Izumi Oda talks her into joining the school hockey club, how is she going to survive getting up early, working hard, and playing well with others? True, the Grand Hockey Club is full of boys - super-cute boys at that - so maybe it won't be so bad after all

From Kagami:With their father going away for an extended time without any warnings whatsoever, the Yamadas have to get by on their own, and Tarou, the eldest son, carries the biggest burden of all: supporting their large family.Of course, Tarou's money problem is overshadowed by his appearance, as many girls (and GUYS) trample all over each other to get his attention. Experience the joys and tears of being poor AND beautiful while reading this manga.

Description : Two teens see how the other half lives! When her mad scientist grandfather accidentally switches their bodies. Akira Uehara is mortified when his best buddy starts hitting on "him," and is embarrassed to look at "himself" in the mirror in her underwear! He can't wait to get back to being a boy. But Nanako Momoi has other ideas--she is starting to enjoy life in Akira's body! From Tokyopop: Rude girl and effeminate boy switch bodies and find that it might be a better fit for both of them. Lots of crazy comedy. Nanako Momoi is the belle of high school... as long as she stays quiet. Once she shows her true self, guys' dreams are shattered for she is a true tomboy. Akira Uehara has the looks and brains, but, unfortunately, his personality is so dull it overcasts a shadow, and nobody notices him. One day, Nanako's grandfather comes up with a crazy invention, and Nanako and Akira trade Bodies! She's him, and he's her!