Otona ni Nuts

Comedy Romance Shoujo

Natsumi Kawashima, an energetic fifth-grader, is obsessed with her fantasy of being the ideal, sexy woman. Rejected at every advance by the cute guys that she fawns over, she finally gets a break when she picks up a package of mysterious pink nuts that are adults only. Eating these nuts causes her to morph into a voluptuous adult, and she's offered modeling opportunities and suddenly becomes noticed by guys who wouldn't have given her the time of day before. But, she's still a kid inside and is about to learn that things don't always work out exactly as you hope they will... (Source: Tokyopop)

Otona ni Nuts 2

Shoujo

Niko-chan can turn from a 10-year-old into a 14--year-old student. You also shouldn't forget her best friend... (from Divine Sanctuary)