Uchuu Pharaoh☆Patra-chan Patra-chan: Princess of the Universe

Synopsis

Princess Patra of Ptolemy chose "Earth Invasion" for her summer vacation free study! However, because of her comfortable life on Earth, she tends to fall behind on her homework?! Today is another peaceful day (thanks to Patra-chan's love for the Earth)! (Source: Houbunsha, translated)