Story takes place in the 1940's, in a fictional Japan, where the country is dominated by the upper class and the country suffers from a huge income disparity between the rich and poor. During this time, an evil masked villain named "K-20" roams around Japan stealing priceless artifacts. Always on the trail of K-20 is his arch nemesis Akechi - a suave detective. When Akechi announces his engagement to the rich heiress Yoko Hashiba, K-20 warns Akechi to call off the wedding or he'll be there to make his biggest heist yet. Meanwhile a good natured circus performer named Keikichi Endo is hired by a mysterious figure to snap photos of Akechi and Yoko's wedding. Keikichi is unaware that his employer is in fact the evil K-20 and he's being set up to be his fall guy.
Sam and his team are members of a Serious Crime Unit in the District Crime Squad. The Team successfully arrests a international crime organization's leaders, Night. At the Court, Ann, a prosecutor and Sam's financee, tries her best to convict Night. However, finally, Night is convicted on only one charge and sentenced to three years imprisonment. Night vows to take his revenge and destroy the couple one day. Ann and Sam take a trip to Paris and the assassin monitors them and kills Ann. Three years later, Sam has escaped to Tai O, a fishing village and a look-alike Japanese tourist named You comes and the romance begins again; however, what Sam doesn't know is the assassin was You.
Senagaki Isaku will be a first-year high school student starting in spring. Her grandfather is the third head of the Senagaki group, a yakuza organization, so she is feared by those around her. However, starting from spring, she hopes to make normal friends and normally fall in love. She is admitted into a high school further from her hometown, however, the overprotective young head of the Senagaki group, Utou Keiya, (26 years old) falsifies his age and enters the school with her through a backdoor admission…?! Keiya proclaims that love is too early for her although Isaku is perfectly ready. In truth, she has held an unrequited love for Keiya for quite some time.
Story takes place in the 1940's, in a fictional Japan, where the country is dominated by the upper class and the country suffers from a huge income disparity between the rich and poor. During this time, an evil masked villain named "K-20" roams around Japan stealing priceless artifacts. Always on the trail of K-20 is his arch nemesis Akechi - a suave detective. When Akechi announces his engagement to the rich heiress Yoko Hashiba, K-20 warns Akechi to call off the wedding or he'll be there to make his biggest heist yet. Meanwhile a good natured circus performer named Keikichi Endo is hired by a mysterious figure to snap photos of Akechi and Yoko's wedding. Keikichi is unaware that his employer is in fact the evil K-20 and he's being set up to be his fall guy.
