(Before story in both dramas woo do hwan act as main male lead too)
Both dramas feature complex and morally ambiguous characters who challenge societal norms and expectations. The protagonists in both series are driven by a desire for love, acceptance, and a sense of belonging( childhood trauma and parental neglect. , as both leads have experienced neglect and emotional abuse from their parents, leading to deep-seated insecurities and a desire for validation.

However, there are also key differences between the two dramas. Mr. Plankton is a more lighthearted and comedic drama, while Tempted is a darker and more serious drama.
Specialy in the begging of the drama tempted you may hate male character but begin to understand him after 2,3 episodes. Additionally, the male lead in Mr. Plankton is more of an anti-hero, while the male lead in Tempted is more of a villain in only first episodes while he only with his other vilon 2 friends, we can understand it is not his true self as story go on.

Mr. Plankton and Just Between Lovers share a focus on complex characters navigating emotional turmoil and finding connection in unexpected places. Both explore themes of love, loss, and the search for meaning in life, often through unconventional relationships. While Mr. Plankton takes a more comedic approach with its quirky characters and absurd situations, both dramas delve into the depths of human emotion , beautiful and heart felt love story and the power of human connection and offer more than romance..

Focus on Ordinary People Caught in Extraordinary Circumstances.The protagonist's life is turned upside down as he becomes the prime suspect, highlighting the devastating impact of false accusations
The series builds tension and suspense with its dark and disturbing atmosphere, as the detectives delve deeper into the mystery.
If you're interested in a suspenseful and thought-provoking drama with complex characters and a gripping plot, Beyond Evil is definitely worth watching.

The drama follows the story of an ordinary college student who becomes accused of murder after a chance encounter. The series explores the complexities of the criminal justice system, the challenges faced by those accused of crimes, and the impact of such accusations on individuals and their families.
Story line have lot of similarities to black out.
The acting in the drama is widely praised, with Kim Soo-hyun and Cha Seung-won delivering compelling performances.The acting in the drama is often praised for its realism and emotional depth.

The series centers on a medical examiner and a prosecutor who collaborate to investigate criminal cases using forensic evidence.
Both Voice and Partners for Justice are known for their suspenseful and fast-paced storytelling. They keep viewers on the edge of their seats with intense investigations, unexpected twists, and high-stakes situations.
The dramas often explore dark and disturbing themes, such as serial killers, organized crime, and the psychological impact of violence.
Both shows feature complex and compelling characters who bring depth and nuance to the narrative. The protagonists in these dramas are often highly skilled professionals who face personal challenges and moral dilemmas.
The relationships between the characters contribute to the overall tension and drama of the stories.

Both series explore themes of revenge and justice, as the protagonists seek to uncover the truth and hold those responsible for their suffering accountable.Both dramas are known for their dramatic twists and turns, which keep the audience engaged and guessing.

Time Travel: Both series involve the protagonists traveling back in time to revisit their past. In A Time Called You, the female lead travels back to 1998, while in Blue Birthday, the female lead travels back to her high school days.  
Lost Love: Both series explore the themes of lost love and the desire to change the past to prevent tragedy. The protagonists in both dramas are deeply affected by the loss of loved ones and seek to alter their fate.
Romance: Both series feature romantic elements, with the protagonists developing strong emotional connections with characters from their past.
Mystery: Both dramas incorporate elements of mystery as the protagonists try to uncover the truth about their past and the circumstances surrounding their loved ones' deaths.

Time Travel: Both dramas use time travel as a central plot device.
Unrequited Love: The main character in each series experiences unrequited love and seeks to change the past to achieve a different outcome.
Nostalgia: Both shows evoke a sense of nostalgia, particularly through their portrayal of childhood and first love.
Mystery: Both dramas incorporate elements of mystery as the characters try to unravel the secrets of their past and future.

Both dramas revolve around a female protagonist seeking revenge against those who have wronged her.
Both series offer the protagonists a chance to rebuild their lives and seek justice.
Both dramas explore the destructive power of lies and deceit, with characters facing significant consequences due to the actions of those they trust.The relationships between the main characters and their spouses are central to both stories. These relationships are marked by betrayal, deception, and ultimately, a struggle for redemption.Both dramas feature strong female leads who take control of their lives and fight for justice. They are intelligent, resourceful, and determined to overcome the challenges they face.

Lovely Runner and Blue Birthday (2021)are both South Korean dramas that delve into the themes of time travel and the complexities of human relationships.
Similarities:
Time Travel: Both dramas involve characters who have the ability to travel back in time, often to rectify past mistakes or understand the circumstances surrounding a loved one's death.
Romance: Both series feature central romantic relationships that are deeply affected by the time travel elements.

In blue birth day drama ,The mystery surrounding the deceased first love in Blue Birthday keeps viewers guessing and invested in the story.The characters in Blue Birthday are often seen as complex and relatable, allowing viewers to connect with their struggles and triumphs than lovely runner.

Blue Birthday stands out for its intriguing premise involving time travel and mystery. The story revolves around a woman who uses mysterious photographs to travel back in time to try and save her boyfriend's life. This concept provides a captivating framework for exploring themes of love, loss, and the complexities of fate.