I Came to Another World to Pursue My Girlfriend, but Ended Up Unstoppable

He thought that finishing the college entrance exams would be the start of a happy life, but Li Xingyu soon found himself in a difficult predicament. Alania, the beautiful foreign student he'd had a crush on for three years, suddenly disappeared without a word. And the price of chasing after her was... going to another world? There are so many mysteries surrounding this otherworldly beauty, and surely he'll encounter dangerous situations in that world too, right? But why does this other world feel... a little too weak?