Miss Monochrome wants to investigate the differences between her and Kikuko, the idol of nationwide fame. Miss Monochrome and Maneo turn detective and practice tailing targets and deductive reasoning on the street corner, then begin to do an undercover investigation of Kikuko's working site.
Detective rule number two: 
when making deductions,
:قاعدة المتحرِّي رقم 2 
،أثناء القيام باستنتاجات
Detektivregel #2: Bei der Theorieaufstellung
Regla para detectives número 2:
Regla para detectives número 2:
2e règle du parfait détective,
Regola dell'investigatore numero due:
nel dedurre qualcosa,
Segunda regra dos 
detetives: ao deduzir,