As a bonus, Cinderella Girls include a cute manga, "シンデレラ・ガールズ劇場". It comes in almost a 4koma format (plus headers), which matches a cellphone screen and scrolls down.

The link to the manga hides behind a banner that looks like typical banners for items that I cannot "buy" because I have no "moba-coins".

UPDATE: Scanlated: