In “Onion,” Wang Chuanjun plays a reformed school bully with a softer side, while Dong Weijia portrays a confident and assertive senior apprentice named Akio. The story may seem predictable at first, but the ending will surprise you. It explores the theme of unrequited love and the challenges of pursuing it. Despite being unable to even share a hug, one character remains devoted, determined to return and protect their beloved, even if fate seems to have destined them for separation.