Unexpected Incident
Unusual Incident
noun
へんじ
事変 (じへん) Incident
変事 (へんじ) Unexpected Incident, Unusual Incident
返事 (へんじ) Reply, Response
変死 (へんし) Unnatural Death, Accidental Death
返信 (へんしん) Reply, Answer
事件 (じけん) Incident, Case, Scandal
怪事件 (かいじけん) Strange Mystery, Mystery Case
Think of this as Strange-Incident 変-事(変)