Tsubana

The protagonist is a girl with the ability to visit a surreal alternate dimension full of monsters in her dreams. One day, she encounters another human girl there and receives a plea for help.

Takagi and Kanemura are two normal high school students in a near-future Japan where many things we'd find unusual are taken in stride. Technology has evolved to the point where items like face-blurring necklaces, sleep-control devices, and Willy Wonka-ish, meal-flavored gum are common fads. New services also dot the landscape, such as businesses that can help you reclaim…