Chinami Oka is a kind-hearted, cheerful, and friendly individual with an energetic and somewhat childish nature, making her appear younger than her actual age. She is highly sociable, always eager to make new friends, and rarely expresses anger. Instead of reacting aggressively to conflicts, she tends to respond with sensitivity and emotion. For instance, when Kouko Kaga lashed out at her for spending time with Mitsuo Yanagisawa and said harsh things, Chinami did not retaliate but instead broke down in tears, highlighting her emotional vulnerability. Her sweet and approachable nature makes her popular among her peers, though she prefers to keep her personal feelings about romance private.

However, Chinami’s personality undergoes a significant shift after realizing Mitsuo’s feelings for Linda. Following this revelation, she impulsively cuts her hair and begins exhibiting uncharacteristically selfish and abrasive behavior. She becomes visibly frustrated, scolding Banri Tada over his connection with Linda and dismissing his attempts to clarify misunderstandings. Her resentment continues when she confronts Linda directly about her relationship with Banri, though her hostility quickly fades when she encounters Nana, Linda’s neighbor. Instead of responding with anger, Linda expresses concern for Chinami, which leaves her shocked and ashamed of her actions. Realizing her own faults, Chinami immediately drops her selfish attitude and shows genuine remorse, acknowledging her mistakes and attempting to make amends.

Despite her interactions with Mitsuo, Chinami never openly acknowledges any romantic interest in him.

Chinami Oka is a petite, slender young woman with fair skin, large blue eyes, and noticeable rosy cheeks. She has long, salmon-colored hair that typically reaches her waist or thighs. However, in Episode 19, she chooses to cut her hair short, seemingly to resemble Linda.

Chinami’s wardrobe consists of a variety of casual and unique outfits. She is often seen wearing a long green shirt, loose-fitting blue pants, red-to-brown socks, and brown shoes. Her clothing choices reflect her playful and easygoing personality.

Chinami is a university student and a devoted member of the Film Club, where she spends much of her time filming moments with her camera, the “Okamera.” She enjoys capturing everyday life and memories, making her a lively presence among her friends and classmates.

Although she never openly expresses her romantic feelings, it is subtly hinted that she harbors unspoken emotions toward Mitsuo Yanagisawa, though she chooses not to pursue them openly. Instead, she focuses on maintaining friendships and capturing meaningful experiences through her camera.

Mitsuo Yanagisawa
Chinami is close friends with Mitsuo, but it is subtly implied that she harbors unspoken romantic feelings for him. Despite her initial jealousy toward his feelings for Linda, she never openly acknowledges her own emotions, instead choosing to move forward without confrontation.

Banri Tada
Initially friendly toward Banri, Chinami later lashes out at him due to her own emotional struggles, but she eventually regrets her actions and reconciles with him.

Kouko Kaga
Kouko initially resents Chinami’s closeness to Mitsuo, leading to a heated confrontation between them. However, Chinami does not retaliate and instead becomes emotional, showing her sensitive nature. Over time, their relationship becomes less tense, though they are never particularly close.

Linda (Nana Hayashida)
After cutting her hair to resemble Linda, Chinami begins to act hostile toward her, frustrated over her connection to Mitsuo and Banri. However, Linda’s kind and non-confrontational reaction shocks Chinami, leading her to drop her selfish behavior and feel remorse for her actions.

Chinami Oka’s journey of self-discovery, emotional growth, and ability to reflect on her mistakes make her a compelling and relatable supporting character in Golden Time. Her friendly and bubbly personality contrasts with her inner emotional struggles, making her more than just a comedic relief character.

Though she remains a side character in the main romantic plot, her personal development and friendships with the main cast contribute to the series’ rich portrayal of college life, friendships, and unspoken emotions.