In the belly of the frog

Captain Kuune is in a pinch as she was swallowed by a giant frog! Who is going to save her now?

Used tools:
Recolored, Paint.net

Original drawing belongs to the artist Atena ni moji (宛名に文字):
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=45366745