The ordinary girl Vanilla was summoned by a mysterious power on the Chinese Valentine's Day and came to a transparent planet hidden in the universe - the Bell Star. Then he was sent to the slave market and became the final auction item. Fortunately, he was auctioned off by Ting, the chief teacher of Madeli Private College. He was sent to Madeli Public College, an affiliated school of Madeli Private College, without any clue. After seven days passed, I understood the nobility and humility in it. What would she think? How to do it? Vanilla's "Planet Journey" begins...