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I'll Live a Long Life to Dote on My Favorite Stepbrother!

I'll Live a Long Life to Dote on My Favorite Stepbrother!

I'll Live a Long Life to Dote on My Favorite Stepbrother!

2026 1 Seasons 12 Episodes ⭐ 5.3 Animation Sci-Fi & Fantasy

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!

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!

Seasons & Episodes

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 s

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

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. T

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

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 pa

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

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

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,

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 astoni

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 i

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

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 s

Popular Cast

Ayumu Murase

Ayumu Murase

Alba (voice)

Shouta Aoi

Shouta Aoi

Orsis (voice)

Reo Tatsumori

Reo Tatsumori

Hals (voice)

Maaya Torigoe

Maaya Torigoe

Floro (voice)

Yuya Hirose

Yuya Hirose

Bruno (voice)