A university student's life takes a dramatic turn when she suddenly inherits a staggering 5 trillion yen from her late father. This immense fortune immediately makes her a target for her incredibly greedy family. Her father's siblings, consumed by avarice, have struck a deadly pact: whoever successfully eliminates her first will claim the entirety of the inheritance.
As relentless and inventive attempts on her life begin to unfold, pushing her into constant peril, her vigilant housekeeper takes decisive action. Desperate to protect her, the housekeeper hires a truly exceptional investigator. This renowned detective boasts an impeccable track record, famous for solving cases and preventing crimes even before they can fully materialize. Now, this brilliant, pre-emptive mind must race against time and outwit a murderous family, ensuring the student's safety against every cunning plot.
Other names: 探偵が早すぎる, Detective Is Too Early