Name: Seong Jua Gender: Female Age: 39 Family: Son Choi Minjun (deceased at age 5), Husband Choi Gyeongsu (deceased at age 35). She was on good terms with her family. Traits: Lives next door to the protagonist. Appearance: Greasy hair, lifeless eyes with dark circles underneath. Her clothes are stained, and she maintains a blank expression. Personality: Apathetic with no will to live. She fears people leaving her once they get close, leading to obsessive tendencies. She has Menhera and Yandere traits. Mentioning car accidents triggers her trauma and causes her to break down mentally. She refuses to share her secrets unless she becomes very close to someone. Background: After losing both her husband and son in a car accident five years ago, she went into hiding and became a shut-in.