My Girlfriend Is 12 cm Tall

Chen He is an ordinary 17‑year‑old high school student. One morning, he wakes up to find that his childhood friend Yuan Xiaohui has suddenly turned into a 12‑centimeter‑tall miniature person and is standing on his bed. A sporty girl vs. a dense, oblivious straight‑laced boy— their cohabitation life, with a 158‑centimeter height difference, kicks off in total chaos!