The Inanimate World

Kagami Tsutako has been obsessed with Ii Azami for 20 years. While stalking him one day, she encounters Ii Azami being hit by a car. When she discovers he has lost his memory as a result of the accident, she decides to claim they are lovers in order to fulfil her lifelong desire. As a result, as Tsutako repeatedly lies one after another they begin to increasingly escalate…

He Fei's wife, Li Mu Zi, disappeared mysteriously during their wedding anniversary trip. While he was searching for Mu Zi, she appeared again out of nowhere, but he insists that the strange woman in front of him is not his wife. Lawyer Chen Mai gets involved in this bizarre case, and more mysteries slowly emerge.

Pretty much the same premise in both stories:
Pretty lady in trouble
Handsome cop to the rescue
But is she innocent or guilty?
Mystery and intrigue- it has all that

A dark love story where 7 primary school classmates gather for a reunion but find themselves locked in the building; as they eye one another with suspicion, they start killing one another in a bloody battle filled with betrayal and love.

Urashima Eiji is a university student and his father is a serial murderer. One day, he realises that he is suffering from a dual personality disorder and worries that his other personality may have committed murder. This leads him to begin investigations to find out the truth.

~ Adapted from the manga series "Shinai naru Boku e Satsui wo Komete "by Inoryu Hajime (Story) and Ito Shota (Art)

In 2006, Sanada Rio lived in a country village where a missing person case took place. Rio later studied in the pharmacy department at a university in Tokyo. Now, at the age of 30, Rio takes the CEO position at Sanada Wellness, which is a subsidiary of Sanada Holdings. Rio’s mother runs Sanada Holdings. Rio receives attention from the media and public because of her young age as a CEO. Rio then becomes a material witness in a series of murder cases. The murder cases took place recently and is somehow related to the missing person case from 2006. Three lawyers on Rio's side try to protect her. Meanwhile, a detective, whose first love was Rio, chases after the truth behind the cases.

One day Mio attends a middle school reunion and is reunited with her first love, Shuichi. Her love is rekindled when the guy approaches her, but they get caught up in an incident where members of the reunion start dying one after another. ~~ Adapted from the manga "Itoshii Uso: Yasashii Yami" Aimoto Mizuho.

Questionable female leads, naive male leads.
In Genya's case, the female lead is the source of a lot of crime and killings, whereas in Ice World, the female lead is framed into looking just as bad.
There are over-passionate cops trying to take down the FLs in both as well.

Ice World is the Japanese original series.
Siren's Kiss was said to be an adaptation of the Japanese drama.
Both dramas have a mysterious female lead.

Tired of his relentless loan-sharking ways, former-male-host Tsukasa Sudo settles into a new job as a thankless errand boy for a local hostess club.

33-year old Han Je In is a mystery novelist who is notorious for habitual false reporting to the police in town. Her only friend is police officer Rok Hwan, who has had a crush on her since childhood. One day, Je In hears a scream of help from an apartment upstairs and reports that a serial killer lives above her but no one believes her. Convinced that Jason, the handsome man living upstairs, is a serial killer, she asks Rok Hwan to help follow him around with her. But as she learns more about Jason in her pursuit to uncover the truth, she begins to fall for him. Seeing her in this state, Rok Hwan feels a tinge of jealousy.

When drug dealers attack feisty college student Yuri at a party, she’s saved by Toshiomi Oya, the young boss of a yakuza syndicate. Despite her obvious attraction to him, she convinces herself that she’s not in the market for a bad-boy type. But when they meet again, she finds herself irresistibly drawn to him—kicking off a steamy and dangerous love affair that threatens to consume her, body and soul.

Tired of living as a yakuza's daughter, Amagi Sakura, dreaming of a normal life, joins a company incognito despite her parents' opposition, but it turns out to be a vicious company with a spread of sexual assault and power abuse. Familiar with a hierarchy since young, she fits in well, but after finding out about frequent workplace harassment, she hatches a plan to punish the evil culture.

Shy, clumsy ordinary salaryman Inaba Toukichi is forced into living a dual life as an office worker and a hitman, in order to protect his family.

One night, Amemura Shinsuke, a bartender at a Nishi Azabu bar in Tokyo, is attacked by a male stranger and loses a part of his memories. However, he soon learns that he caused the death of a woman called Kishinaka Minae in a traffic accident one and a half years ago. And the man who came to attack him and later committed suicide, was her husband Reiji. For some reason, Shinsuke is frequently advised by the people around him that it is better not to recall bad things. He begins to have misgivings about the truth of the accident. Then when Shinsuke returns to the bar on one rainy night, Ruriko, a woman in mourning clothes and of unwordly beauty, shows up all of a sudden. From the time of her appearance, Shinsuke descends into a world of madness and anguish. Does she truly exist or is she a figment of imagination conjured by a guilty conscience?