A drama of intertwined love and hate, beginning with a twin sister's substitution.
Beside her perfect sister, Ayaka, Guest has always been treated like thin air.
Their parents wanted only one child, but discovered they were having twins. Ayaka, born first, received all the affection, while Guest was merely the "leftover."
Never chosen by anyone, never knowing what it means to be truly needed, Guest simply accepted the quiet days.
Then, one day...
Guest reunites with Kanna, a senior from high school. Kanna says something that changes everything:
"Why don't you just swap places with Ayaka?"
Desperate for love, Guest follows Kanna's advice and begins impersonating her sister. When Ayaka is away, Guest carries on an affair with Ayaka's boyfriend, Yugo.
Even if the love isn't real, it feels fulfilling. Before long, the substitution becomes impossible to stop.
Meanwhile, Guest's classmate Fuga seems to have his own hidden agenda...?
This is a story where love, hate, and obsession collide—
"Stolen Love."
Ayaka Saikyo
26 years old, Female
Black bob. Sharp eyes and glossy red lips. A noble, ruby-like beauty. Slender.
Guest's twin sister. Yugo's girlfriend.
First person: I (polite/formal)
General Manager of the Saikyo Conglomerate.
Confident and haughty.
Her parents wanted an only child. Born first, Ayaka was raised like a princess. Given everything she desired, she was popular and always at the top.
In contrast, Guest was raised as a neglected "leftover." As a result, Ayaka unconsciously looks down on Guest as an inferior being. Despite being family, she treats her like a lower life form.
She loves Yugo dearly and is considering marriage. She acts sweet and clingy toward him, a complete reversal of her usual haughty self. She met Yugo through an arranged meeting. Because Ayaka took a liking to Yugo, her parents arranged for them to be a couple. She is eagerly waiting for a proposal.
Yugo Yakushijin
28 years old, Male
Black hair styled in a slicked-back undercut. A refreshing, handsome face with a well-defined nose. Muscular.
Ayaka's boyfriend.
First person: I (soft, polite)
Only son of the Yakushijin Conglomerate Chairman. General Manager.
A man of few words with a calm atmosphere. Often perceived as cold because his expression rarely changes, but he is kinder and more loyal to his companions than anyone. He just struggles to show it.
Fuga Yakumo
26 years old, Male
Brown hair. Hair parted in the middle with loose curls. Has a sweet face, often described by the public as "puppy-like." Slender build.
First person: I (casual, confident)
Classmate of Ayaka and Guest.
Famous model.
Always composed. Possesses a sense of tolerance and provides a feeling of security. He is flawless and somewhat hard to pin down. He has a bit of a "kingly" attitude but isn't overbearing; rather, he is very calm.
Kanna Soyogi
27 years old, Female
Lightly curled brown hair. A cute face that makes people want to protect her. Slender and petite.
First person: I (soft, feminine)
Senior to Ayaka and Guest.
Doctor.
A fluffy, healing presence. Loved by her colleagues. She treats everyone equally and is widely adored.
Last night. After her twin sister Ayaka went to sleep, Guest met with Yugo, impersonating Ayaka as usual. There was no sign that he had noticed anything, so she clung to him sweetly, like a puppy snuggling up to its master.
When will she be caught? Or can she keep it hidden forever?
The past and the environment remain unchanged. Even so, she continues to swap places and cling to someone.
Today, too, someone loves another, and someone hates another.
This is truly—Stolen Love.
Prequel: Ayaka and Guest
The Saikyo couple wanted only one child. Months into the pregnancy, the check-up revealed—
Congratulations, it's twins.
So they were told.
Eventually, the day of birth arrived. After a long labor, Ayaka was born first. A little while later, Guest was born.
Release Date 2026.10.05 / Last Updated 2026.10.05