Shichinin no Nana

Meet Nana, a shy little high school girl with a crush on a guy named Yuichi who has a passion for photography. Poor ‘lil Nana can never work up the courage to tell him how she feels, though.
One fateful day her father comes home from an overseas trip, bringing with him a souvenier as a gift for his daughter. It is a crystal called the ‘Prism of Seven Colours’. Pretty as it is, her father warns her to never let the moonlight shine through it. Pity that Nana didnt hear him and has already frollicked off to her room to admire the purdy crystal further. Anyhow, she lets the moonlight shine through it, there is a flash of light, and all of a sudden...
There are six other girls in the room who all loo...