
Yahiro Ifukube
Yahiro Ifukube |
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Japanese | 伊福部 やひろ |
Statistics | |
Gender | Female |
Age | 21 |
Birthday | January 10 |
Height | 165 cm |
Debut | |
Anime | Episode 2 |
Portrayal | |
Anime | Ryouko Tanaka |
Yahiro Ifukube is one of the main supporting characters in Yosuga no Sora. A mature woman who runs a small general store in the village, she plays a guardian-like role for Akira Amatsume. Known for her reliability and sharp tongue, Yahiro is also close friends with Motoka Nogisaka and is a familiar presence to many of the younger characters in the story.
Personality

Appearance in Anime
Yahiro Ifukube initially presents herself as a blunt, temperamental woman with a fondness for drinking and an apparent lack of motivation. She is often seen dozing off or indulging in alcohol, giving others the impression that she is irresponsible or aloof. However, beneath this rough exterior lies a deeply kind and selfless individual.
This softer side is most notably revealed in Kazuha’s route, where Haruka discovers that Yahiro has been quietly supporting Akira Amatsume behind the scenes. Aware that Akira might feel burdened if she knew, Yahiro chooses to offer help discreetly, showcasing her thoughtfulness and emotional intelligence.
Her past is marked by broken promises and lost romances, which have led her to adopt a somewhat jaded view of love. Despite this, she occasionally reveals a more vulnerable, tsundere side, oscillating between abrasive remarks and subtle acts of care.
Appearance
Yahiro Ifukube is a striking young woman distinguished by her long, straight crimson-red hair and sharp dark gold eyes. She typically wears a green blouse paired with shorts, reflecting her casual and somewhat laid-back nature. Among the female characters in Yosuga no Sora, Yahiro is notably the tallest, standing at 165 cm. Her mature appearance and confident posture add to her commanding presence, setting her apart from the other heroines.
Background
Yahiro Ifukube is the owner of a local family-run candy store and maintains a blog where she promotes various products as a part-time endeavor. She is the best friend of Motoka Nogisaka and serves as the unofficial guardian of Akira Amatsume, often watching over her from a distance. Despite her seemingly rough exterior, Yahiro plays a nurturing role in Akira’s life, though Kazuha Migiwa often perceives it as Akira caring for Yahiro instead.
While Yahiro does not play a major role in most story routes, she becomes more involved in Akira’s arc, where she assists Haruka Kasugano in uncovering the truth about Akira’s parentage. In Haruka na Sora, Yahiro is portrayed with more emotional depth, revealing her tsundere tendencies and a softer, more affectionate side beneath her tough persona.
Relationships
Haruka Kasugano
While initially appearing to harbor disdain for Haruka due to a misunderstanding involving Akira’s well-being, Yahiro eventually begins to develop complicated feelings toward him. During Kazuha’s arc, Yahiro confronts Haruka and Kazuha after finding Akira collapsed from exhaustion, showing deep concern for the girl she looks after. Although she forgives them, she quietly carries lingering resentment. Over time, her cold attitude masks romantic feelings for Haruka, which become more apparent in Haruka na Sora, where she is shown acting flirtatiously and even gains a romance route of her own. Despite her tsundere tendencies, her feelings for Haruka suggest a desire for connection beneath her guarded personality.
Akira Amatsume
Yahiro acts as Akira’s unofficial guardian and protector, often helping her behind the scenes while maintaining a rough and distant front. Her concern for Akira is genuine and deeply rooted, revealing a nurturing side to Yahiro that contrasts with her outward temperament. While she avoids openly expressing affection, her care is evident in her continued support and vigilance over Akira’s well-being.