Strawberry Marshmallow by Barasui (Manga, Young Adult)

July 2006, Tokyopop

184 pages, Paperback

Personal Copy 

Themes: friendships, fun at the beach, strange school projects, a ferret, ice lolly, watermelon, mischief, packed full of humour

Book Summary (taken from American back cover (I think. Tokyopop no longer exists)

Follow the lives of Nobue Ito, her younger sister Chika, and her friends Miu and Matsuri - these cute girls try to solve problems and help each other out in the most adorable ways! Whether it's helping someone quit smoking or organising a sleepover at a friend's house, these girls always remain a joyful treat to this slice-of-life-delight.

Nayuleska's thoughts  

I didnt get to read this much before I managed to buy the anime. They are slightly different but both are hilairious. I love the emphasis on what the friends wear each season. Despite their pranks you can tell they are close. Definitely 10/10 read.

Suggested read
For a slightly zanier slice-of-life manga, check out Suzunari #1 by Shoko Iwami