TV-Series
Description
Chihiro Kobayashi attends Daijuni Middle School, starting in Class 2-3 and moving to Class 3-1 with most main cast members. She shares a close friendship with Anna Yamada, often serving as the straight man to Yamada's comedic antics—calling her out for vanishing during duties or accidentally hitting herself with a fan. Their dynamic features playful insults like Kobayashi dubbing Yamada a "giant," alongside physical routines where Yamada uses Kobayashi as transport or furniture. This skinship leads Kyotaro Ichikawa to privately label Kobayashi "Yamada's Boyfriend."

Physically, Kobayashi stands shorter than peers with a more childish appearance. She sports short brown hair in a bowl cut, brown eyes, and pale skin. Her standard outfit includes a white short-sleeved collared blouse with a red ribbon tie, a blue high-waisted pleated skirt, white knee-length socks, and brown loafers.

Kobayashi displays a youthful, occasionally brash personality yet remains socially perceptive outside romance. She is uniquely oblivious to romantic developments, unaware of Yamada and Ichikawa’s mutual feelings—a blind spot extending to scenarios like failing to recognize Haruya Nanjō used her to approach Yamada until friends intervene. She fears supernatural horror and shows naivety in mature contexts, questioning Ichikawa’s presence at Yamada’s apartment despite Yamada inviting him.

Her bond with Yamada thrives on polar-opposite traits, blending friendship with clashes over Yamada’s carefree attitude. Toward Ichikawa, Kobayashi initially exhibits double standards—admiring Yamada’s keychain while deeming his "gross"—but softens after his injury, showing concern.

Background details place Kobayashi and Hanzawa Yurine in the prequel one-shot "With Her Eyes Half-Open" three years prior to "The Dangers in My Heart." Kobayashi chases cicadas with her two younger brothers and has unspecified food allergies. Her film interests—"The Goonies," "Léon: The Professional," and "Kids Return"—prompt Yamada to seek recommendations. She owned pet goldfish Ron, Pon, and Kan in elementary school, excelled as a top scorer in district basketball competitions then, and favors tuna, the color orange, and celebrity Kotori Yoshio. Kobayashi maintains her role as Yamada’s comedic foil and romantic obliviousness throughout the series.