TV Special
Description
Masato Hijirikawa, eldest son and heir of the prominent Hijirikawa family conglomerate, was raised in Kyoto under a strict regime emphasizing tradition and responsibility. This upbringing forged his reserved, stoic demeanor and slightly old-fashioned speech, masking deep internal emotions. He stands 181 cm tall, weighs 64 kg, possesses dark blue hair and violet eyes (blue in anime), and has a small beauty mark under his right eye. Born December 29th, his Capricorn sign reflects his disciplined nature.

After attending an all-boys school, Masato defied his father to enroll at Saotome Academy, pursuing music under a strict one-year time limit before assuming family duties. This resolve crystallized in childhood upon witnessing Haruka Nanami singing "Twinkle Twinkle Little Stars" with children in a snowy park; her joy revealed music's transformative power. At Saotome, he specializes in piano performance and belongs to the idol track's A-Class.

Externally calm and collected, Masato balances seriousness with hidden vulnerability. He struggles to express his true self due to familial pressure but reveals softer aspects around trusted individuals like Haruka. Courteous and earnest, he excels at housework, particularly sewing and cooking – skills learned at age 13 to support his frail mother. He creates embroidered handkerchiefs for his younger sister, Mai, showing his affectionate side. Despite his composure, he harbors a terror of bugs and considers himself unlucky.

His roommate, Ren Jinguji, is both a longstanding rival and a figure from a fractured friendship, originating from childhood social events where they initially bonded over rebellion before familial expectations drove them apart. Tensions peaked when Masato confronted Ren for treating music frivolously, resulting in a physical altercation that underscored Masato's view of music as his sole personal freedom. They later reconciled through mutual respect for artistic sincerity.

Masato learns to channel suppressed emotions through performance, composing "Knocking on the Mind" to convey feelings to Haruka. He helps her overcome piano performance anxiety by sharing his own struggles with familial rigidity. He co-hosts the travel program "Onkochishin Futatabi" with Tokiya Ichinose, serving as the adaptable "professional eater" to Tokiya's pickiness. A core member of ST☆RISH, Masato participates in various units, including collaborations with Quartet Night. The special "Tabi no Hajimari" highlights his natural camaraderie within ST☆RISH during group activities like culinary tasks, without Haruka present.

Family traditions deeply shape his identity; names in the Hijirikawa lineage incorporate the character for "genuine" (真), seen in his father (Masaomi), sister (Mai), and himself (Masato). His grandfather is deceased. Masato maintains a formal, fearful relationship with his father, switching to polite speech ("watashi") in his presence, while using casual speech ("ore") otherwise – a marker of his internal conflict between duty and self-expression. His hobbies include sewing, calligraphy, and appreciating winter, associated with pivotal life memories.