League of Legends: My Fox-Spirit Girlfriend

The protagonist, Lin Xi, was an ordinary high school student. One day, he woke up to find the LOL goddess he had long adored, the Nine-Tailed Fox Ahri, standing in his bedroom. Until then, the barrier between dimensions had kept them apart. Thus begins an extraordinary journey full of adventure. More LOL champions appear on modern-day Earth, along with a mysterious female crime boss and a shooting in faraway Seattle, America. Meanwhile, the continent of Valoran is suffering an unprecedented disaster. Called by Kassadin, the champions will transmigrate through the Void Gate and return to defend Valoran, now on the brink of collapse. Should he hold on to her and refuse to let her go, or set her free to save the world she once lived in? That is the question.