The missing pencil! There are 8 Nanas?

Nana: Seven of Seven · Episode 21 · “The missing pencil! There are 8 Nanas?”

Nana is your average high school girl with a boyfriend, average grades, interests, and problems until her inventor grandfather’s experiment goes haywire and produces 6 Nana clones! The trouble begins when they all have a crush on the same boy! (Source: Media Blasters)