Fans of anime are often drawn to characters like Sung Jin-ah from the popular series Solo Leveling. As the younger sister of the main protagonist, Sung Jinwoo, her character plays a pivotal role in the narrative. The charm of Jin-ah lies in her vibrant personality and her crucial influence on her brother’s journey.
Despite her playful and cheerful demeanor, Jin-ah possesses a profound caring nature toward Jinwoo, illustrating the deep bond of sibling love. Orphaned after her mother fell into a coma and their father abandoned them, Jin-ah grew up under Jinwoo’s watchful care. Their relationship serves as a testament to the enduring theme of familial love found in many anime.
Disclaimer: This article reflects its author’s opinions and may contain spoilers from various anime and manga discussed.
Exploring 10 Anime Characters Similar to Sung Jin-ah from Solo Leveling
1) Nezuko Kamado from Demon Slayer

Like Jin-ah, Nezuko is deeply cherished and safeguarded by her brother, Tanjiro. Following the tragic loss of his family, Tanjiro dedicates himself to protecting Nezuko, who has been transformed into a demon. Similarly, Jinwoo expresses profound affection for Jin-ah, ensuring her safety on numerous occasions.
Tanjiro carries Nezuko in a wooden box, symbolizing his unwavering commitment. Likewise, Jinwoo commands his shadows to protect Jin-ah, reflecting his deep-seated love for her.
2) Alphonse Elric from Fullmetal Alchemist

In Fullmetal Alchemist, Alphonse Elric is protected by his older brother Edward, who prioritizes Alphonse’s safety above all else. Edward’s sacrifices, including losing his arm to save Alphonse, are akin to Jinwoo’s sacrifices for Jin-ah’s well-being and future.
Both sets of siblings share a strong bond shaped by tragic circumstances, enhancing their devotion to one another.
3) Rukia Kuchiki from Bleach

Rukia’s caring nature towards Ichigo resonates with Jin-ah’s concern for her brother. Jin-ah shows unwavering support for Jinwoo, remaining respectful of his secretive life as a hunter. Rukia, similarly, puts Ichigo’s well-being first, even at the cost of her own life, demonstrating a strong sense of loyalty.
4) Alluka Zoldyck from Hunter X Hunter

Alluka and her older brother Killua share an extraordinary bond rooted in protection and loyalty. Killua is the only family member who treats Alluka as a sister, fiercely defending her against the oppressive norms of their family. In parallel, Jinwoo shields Jin-ah from the perils of his dangerous lifestyle, solidifying their sibling connection.
5) Fuyumi Todoroki from My Hero Academia

Fuyumi supports her brother Shoto amid family turmoil, showcasing a nurturing side akin to Jin-ah’s relationship with Jinwoo. Both characters are pillars of emotional support for their siblings, instilling trust and admiration even when faced with challenges.
6) Ui Hirasawa from K-On!

Ui exemplifies the supportive younger sibling dynamic, caring for her older sister Yui in a nurturing way. This protective yet supportive relationship parallels Jin-ah’s role in providing emotional stability for Jinwoo, encouraging him in times of difficulty.
7) Armin Arlert from Attack on Titan

Armin’s role in Attack on Titan mirrors that of Jin-ah, as he provides critical emotional support to Eren and Mikasa. His reminders of humanity to Eren resonate with how Jin-ah influences Jinwoo’s choices, reminding him of the person he once was, even as he grew stronger.
8) Nunnally vi Britannia from Code Geass

Nunnally’s protective brother, Lelouch, shares a similar devotion to Jinwoo’s care for Jin-ah. Lelouch’s determination to create a peaceful world for Nunnally mirrors Jinwoo’s efforts to shield his sister from the harsh realities of his world.
9) Kobato Hasegawa from Haganai: I Don’t Have Many Friends

Kobato’s tsundere personality hides a deep affection for her brother Kodaka, similar to Jin-ah’s caring attitude toward Jinwoo. Kobato’s jealousy towards other girls signifies her protective nature, just as Jin-ah becomes deeply concerned for her brother’s safety after his traumatic events.
10) Kagura from Gintama

Kagura’s playful and teasing relationship with her brother Kamui parallels Jin-ah’s teasing with Jinwoo, highlighting their close bonds. Their humor and lightheartedness serve as a counterbalance to the serious challenges they face.
In Conclusion
Sung Jin-ah is a vibrant character whose playful spirit brings levity to the action-packed world of Solo Leveling. Her role significantly influences Jinwoo’s journey, serving as a crucial motivator for his transformation into a hunter. The archetype of Jin-ah can be found across other anime, showcasing the universal themes of sibling loyalty, care, and love.
As Solo Leveling progresses beyond the Jeju Island arc in the upcoming season, the introduction of diverse characters similar to Jin-ah promises to engage fans with their unique relationships and personalities.