Mochizuki Naruse, a high schooler who thinks of himself as a gloomy type, works up the courage to confess to his childhood friend Anna Toyama, only to be utterly crushed.
Regretting his confession, Naruse accepts an invitation to meet up in person from an older guy he met in a game.
When he wakes up the next day, Naruse discovers he has turned into the beautiful girl avatar from the game, and his daily life has undergone changes that are both subtle and enormous.
When he arrives at their meeting place, he discovers that his online friend of many years is none other than Lilia, the beautiful girl who sits beside him in class.
With her sparkling silver hair and fair skin, she's of Russian descent.
When Anna Toyama sees Naruse growing close to Lilia, the beautiful girl at the top of the elite private St. Monica Academy, she acts completely out of character...
