Nino

"We can't forgive anyone who surpasses Ai. Not even her daughter."

Nino (ニノ) is an antagonist in the Oshi no Ko manga series. She was a founding member of the original B-Komachi, alongside Takamine, Watanabe, and Ai Hoshino. She is portrayed by Kana Arima in the 15 Year Lie.

She is B-Komachi's former center, after Ai usurped that position. Initially hating her co-star for upstaging her, following her death, she came to greatly regret how she allowed her jealousy to tear their relationship apart, resulting in her developing an unhealthy obsession toward the now-legendary idol.

Personality
From Kana's portrayal of her, when she was younger, Nino used to be an airhead who often did not notice when she did something wrong and was regularly ordered around by others, particularly Takamine. However, as she began losing to Ai in popularity, a darker and more jealous side of Nino would emerge, once even cursing at her co-star for upstaging her.

In the present, at first glance, Nino appears to still be the same airheaded individual who Kana portrayed her as. However, underneath her outer demeanor lies a woman beset by regrets regarding her past relationship with Ai, to whom she can now never apologize due to her passing. As a result, this regret seems to have morphed into an obsession toward her former co-star, practically worshipping her and not tolerating anyone potentially upstaging her. Overall, Kana describes Nino's current mental state as "all over the place".

Nino seems to be able to read people quite well, immediately calling out Ruby's poor act when the latter tried to emulate Ai.

B-Komachi

 * Our Sign Is B
 * STAR☆T☆RAIN
 * HEART's♡KISS
 * More than 30 unnamed songs

Trivia

 * Nino wore a panda hairpin.
 * Ai's smartphone & blog account password "45510" is the initial of the four founding members of B-Komachi. The number corresponds to the Japanese flick keyboard:
 * Takamine (た Ta): 4
 * Nino (に Ni): Double 5 (If using a flip phone, double press な Na to get に Ni)
 * Ai (あ A): 1
 * Watanabe (わ Wa): 0

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