Yumeji’s normal high school life changes when his childhood friend Chieri transfers into his school standing eight meters tall. Because of her giant size, he becomes her assigned helper and supports her through everyday school life. Despite the huge difference in height, the two slowly grow closer and begin developing romantic feelings for each other. Their relationship leads to many funny, awkward, and heartfelt moments as they try to overcome the strange challenges caused by Chieri’s size. The story is a lighthearted romantic comedy with a unique giant-girl twist.