I'll Live a Long Life to Dote on My Favorite Stepbrother! (2026)
Synopsis
Alba has been reincarnated as the son of an impoverished noble family. When his mother remarried into a dukedom, he was introduced to his stepbrother, Orsis, his "favorite person" from his previous life. “Does this mean my favorite is now my stepbrother?” he thought joyfully, But he suddenly remembers that he was the reason his beloved stepbrother lost his smile… To avoid his impending fate, and continue loving his favorite, Alba will do everything in his power to twist fate! This popular series, which has sold over 170,000 copies, brings you a warm and touching story story of a boy's reincarnated life in another world!
First Air Date: 2026-01-06
Last Air Date: 2026-03-24
Number of Seasons: 1
Number of Episodes: 12
Networks: tvk
Top Cast
- Ayumu Murase as Alba (voice)
- Shouta Aoi as Orsis (voice)
- Reo Tatsumori as Hals (voice)
- Maaya Torigoe as Floro (voice)
- Yuya Hirose as Bruno (voice)
Seasons
Season 1 (2026)
No overview available for this season.
Episodes:
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Ep. 1: To My Ultimate Bias Stepbrother!
Alba, who possesses memories of his past life, moves to the duke's household with his remarried mother. There, his new stepbrother turns out to be Orsis—the character he adored most in the otome game he played in his previous life. Though Alba rejoices at becoming family with his favorite character, he simultaneously recalls: In the game, it was because of his own excessive pampering by his stepfather that Orsis was plunged into tragedy.
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Ep. 2: Laonen's Dysmagia Syndrome!
Shaken by his encounter with Orsis, Alba suddenly collapses from a seizure. In this world, humans are born with magical power. However, Alba suffers from “Laonen's Dysmagia Syndrome,” which prevents him from controlling the release of his own magic. When he regains consciousness, he feels truly welcomed as family as his stepfather, Hals, and Orsis offer him warm words.
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Ep. 3: My Brother is Too Cute!
To prevent the relationship between Orsis and Hals from growing completely cold, Alba struggles to improve their bond. Through Alba's straightforward words and actions, Hals begins to reevaluate his relationship with Orsis...
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Ep. 4: My Brother's Birthday Party!
Just as Hals and Orsis' relationship was improving and things seemed to be going smoothly, they meet Orsis' grandparents at his birthday party. Facing harsh treatment from grandparents who don't think highly of Alba, Alba has another seizure...!?
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Ep. 5: Laonen's Dysmagia Syndrome Cure!
Having regained consciousness, Alba resolves to live on to witness his brother's future. Relying on memories from his past life, he prepares to teleport alone into the Agate Forest in search of the medicinal herb that could become the cure for Laonen's Dysmagia Syndrome. However, Orsis spots him.
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Ep. 6: Forest Adventure with My Brother!
Orsis offers to accompany Alba as he heads to the Agate Forest in search of medicinal herbs. But they lose their way and find themselves wandering the forest. Then, Hals appears, alerted by Orsis's magic—but...
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Ep. 7: My Stepbrother's Magic is on Another Level!
After persuading Hals, Alba heads out with him to gather the herbs for the special antidote. However, the herbs can only be found halfway up a high cliff, and Alba hesitates. While trying to figure out a way down, Hals makes a surprising suggestion...
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Ep. 8: We Found the Herb!
The group safely descends into the cave. They discover plants ahead. However, since they don't know how to use them yet, they decide to return home first and see what happens. Upon getting back home, an unexpected event occurs.
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Ep. 9: Father and Brother!
Orsis heads to Hals' room alone to discuss Alba's puzzling words and actions. Yet he cannot hide his shock at the astonishing possibility Hals reveals. A few days later, standing in his home garden, Alba witnesses a scene impossible in the game.
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Ep. 10: A New Capture Target Appears!
Alba enters a mysterious botanical garden that has appeared in his home's garden and discovers the same plant he found in the cave. It is revealed that this plant possesses the ability to store magical power. To investigate its properties, Hals invites his friend, Marquis Valt, and his son Bruno—a love interest in the dating sim—to the mansion.
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Ep. 11: Research on Legare!
Bruno is deeply perplexed by how close Alba and Orsis are. Meanwhile, a name has been decided for the plant Alba and the others discovered, and progress has been made in their research. As they are discussing this, Bruno notices something.
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Ep. 12: I'm Going to Survive, No Matter What!
While sketching Orsis and Bruno, Alba unconsciously draws their adult forms based on memories from his past life. Upon seeing the drawing, the two mistakenly believe that Alba has accepted his own death! Renewing their commitment to their research, they vow to Alba that they will succeed. And so, time passes...
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