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Watch Regret, Slow Burn full episodes online for free on FlexTV. Stream all 51 episodes of this short drama series in HD with subtitles. Start watching instantly with no registration required and enjoy smooth, fast playback on any device. Explore popular themes like Love-Torture, Love-Torture, , , and , and binge-watch the complete series anytime.

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Regret, Slow Burn All Episodes

51 Episodes

Episode 1 - Regret, Slow Burn

On their eighth anniversary, Delia watches the man she loved kiss someone else—publicly, shamelessly. Eight years end in one heartbeat, and she chooses dignity over devotion. But when the truth about what she gave him surfaces, regret becomes a punishment with no escape.

Episode 2 - Regret, Slow Burn

On the day of her eighth anniversary with her boyfriend Meng Yuchen, Su Yi is humiliated in a KTV private room, where Meng Yuchen uses her as a bet and calls her a "simp." Not only does Meng Yuchen show no remorse, but he also publicly announces that his mistress, Hao Shanshan, is his only girlfriend and kisses her, leaving Su Yi utterly heartbroken. In despair, Su Yi receives a call from her mother on the street. She resolutely gives up on their eight-year relationship and agrees to her mother's arrangement to marry the young master of the Xiao family, whom she has never met. The wedding date is set for the same day she was originally supposed to get engaged to Meng Yuchen.

Episode 3 - Regret, Slow Burn

The episode opens with the female lead, Su Yi, storming out after seeing her boyfriend Meng Yuchen's intimacy with Hao Shanshan. Meng Yuchen, however, dismissively calls Su Yi a "simp" in front of his friends, confident she'll come back. Yet, Su Yi doesn't answer his calls. Heartbroken, Su Yi receives a humiliating text from Hao Shanshan, learning that the ring she cherished was a free gift. Remembering how she donated a kidney to save Meng Yuchen from a car accident and his past promises, Su Yi's heart completely dies, and she burns photos of their past together. When Meng Yuchen returns home, instead of apologizing, he gets angry because Su Yi didn't answer his calls and contemptuously tells her to learn from Hao Shanshan, completely shattering Su Yi's last illusion.

Episode 4 - Regret, Slow Burn

The episode opens with Su Yi breaking up with her boyfriend Meng Yucheng on their eighth anniversary, due to his ambiguous relationship with Hao Shanshan. Meng Yucheng shows no remorse, instead verbally shaming Su Yi and revealing that he believes Hao Shanshan donated a kidney to him, saving his life. Su Yi is shocked, hinting that someone else was the kidney donor. Meng Yucheng dismissively leaves behind a gift and departs. Late at night, Su Yi discovers the gift is just a freebie, while Meng Yucheng is celebrating with Hao Shanshan. Disheartened, she looks at the calendar, determined to end it all in six days.

Episode 5 - Regret, Slow Burn

The episode opens with the protagonist, Su Yi, heartbroken by her boyfriend Meng Yucheng's coldness and betrayal. She had once donated a kidney to save him, only to witness him prioritizing another woman, Hao Shanshan. Determined to end things, Su Yi presents a "Kidney Return Agreement." Meng Yucheng signs it indifferently and, to appease Hao Shanshan, falsely claims a business trip, unilaterally postponing his engagement banquet with Su Yi. Facing all this, Su Yi displays an unusual calmness and states she has other arrangements for that day. Her uncharacteristic behavior leaves Meng Yucheng bewildered, setting the stage for future plot twists.

Episode 6 - Regret, Slow Burn

On the eve of her engagement, the female protagonist Su Yi receives a call informing her that her fiancé, Meng Yucheng, has replaced her with Hao Shanshan as the protagonist of the engagement banquet. Heartbroken, Su Yi immediately decides to retaliate. She calmly books another engagement ceremony for herself and another man, Xiao Ze, on the same day and in the same hotel, but on a different floor. When facing Meng Yucheng, she lies, claiming she is attending a friend's wedding, to which Meng Yucheng dismisses her. In the end, Meng Yucheng accidentally discovers the truth about Su Yi's impending marriage and is shocked.

Episode 7 - Regret, Slow Burn

This episode tells the story of the female lead, Su Yi, who resolutely decides to end her eight-year relationship after being neglected and betrayed by her boyfriend, Meng Yuchen. When Meng Yuchen dismissively suggests postponing their engagement, Su Yi calmly informs him that she is getting married, but the groom is not him. Meng Yuchen's hurried departure due to an ambiguous call from another woman, Hao Shanshan, further highlights his heartlessness. Afterward, Su Yi receives a call from her true "arranged marriage" fiancé, Xiao Ze. At the end of the episode, Su Yi makes up her mind, seals a "kidney donation agreement" related to Meng Yuchen, declaring their separation and beginning a decisive new chapter for herself.

Episode 8 - Regret, Slow Burn

The female protagonist, Su Yi, appears outside her ex-boyfriend Meng Yuchen's engagement party in a wedding dress, only to be mistaken for a "simp" causing trouble by Meng Yuchen's friends and publicly humiliated. Subsequently, Meng Yuchen arrives with his fiancée Hao Shanshan. He also believes Su Yi has come to embarrass him and angrily demands she leave. Facing the accusations of the crowd and the misunderstanding of her ex-boyfriend, Su Yi calmly retorts, declaring she is also here to get married today, but her groom is not Meng Yuchen. To the shock of everyone present, she reveals a wedding photo of herself and her groom, Xiao Ze, completely turning the situation around.

Episode 9 - Regret, Slow Burn

At the engagement party of her fiancé Meng Yuchen and Hao Shanshan, the protagonist Su Yi, dressed in a wedding gown, publicly exposed the truth of Meng Yuchen's betrayal of her under the guise of a business trip, and his engagement to Hao Shanshan. Faced with the humiliation and counter-accusations from Meng Yuchen and Hao Shanshan, Su Yi calmly fought back, announcing that she would also be holding her wedding upstairs with Xiao Ze, the richest man in Jiangcheng, today. This declaration shocked everyone present. Overwhelmed by the immense shock and jealousy, Meng Yuchen, ignoring Hao Shanshan's attempts to stop him, abandoned his own engagement party and rushed upstairs. Upon seeing the wedding gown poster of Su Yi and Xiao Ze, he furiously tore it down.

Episode 10 - Regret, Slow Burn

On their eighth anniversary, Delia watches the man she loved kiss someone else—publicly, shamelessly. Eight years end in one heartbeat, and she chooses dignity over devotion. But when the truth about what she gave him surfaces, regret becomes a punishment with no escape.

Episode 11 - Regret, Slow Burn

On their eighth anniversary, Delia watches the man she loved kiss someone else—publicly, shamelessly. Eight years end in one heartbeat, and she chooses dignity over devotion. But when the truth about what she gave him surfaces, regret becomes a punishment with no escape.