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熱愛プリンス お兄ちゃんはキミが好き
本剧改编自同名漫画。由于父母再婚，天宫祭（林芽亚里 饰）突然成为了憧憬的三兄弟偶像Terzetto遥（大仓空人 饰）、梓（杢代和人 饰）、理人（小泉光咲 饰）的妹妹。她感觉像梦一样，不过三兄弟关系不好总是吵架！祭知道了梓其实憧憬团结的三兄弟，为了加深羁绊而奋斗。三人的关系逐渐加深，但某天，梓向三人坦白“已经不能再把祭当作妹妹看待了”！ 两人的关系进展中，祭与青梅竹马昴流（松井奏 饰）再会。祭所憧憬的青梅竹马的哥哥昴流，现在已经是国宝级的帅哥演员了。而且，据说他作为Terzetto的对手PRISM初次亮相。PRISM的成员大和（增子敦贵 饰）也将登场，恋爱的箭头变得更加复杂。然后，随着PRISM的出道，Terzetto的顶级偶像宝座，陷入了沦陷的危机！？史上最强逆心动设定，“心动♡乱打”停不下来！被国民偶像所溺爱的禁断秘密爱情喜剧开幕！
After her parents remarry, Matsuri suddenly becomes the sister of her idol crushes—Terzetto’s three brothers. But her dream life turns chaotic when she discovers they can’t stand each other! Determined to fix things, she plans a “welcome party” that doesn’t go as expected.
During a Terzetto concert, a blackout hits—but Matsuri’s quick thinking unites the crowd. That same night, Azusa confesses his feelings, and her childhood friend Subaru reappears, sparking a storm of romantic tension.
Matsuri and Azusa’s first date at the amusement park takes a sweet turn—until a secret from his past deepens her feelings. But behind the scenes, Yamato makes a dangerous move that could change everything.
With PRISM’s success threatening Terzetto, tensions rise. Matsuri nurses a sick Subaru, leading to an unexpected confession. But things get awkward when she runs into Azusa—at a hot spring!
At the school sports festival, the winner gets a private day with Terzetto! But jealousy brews, and Matsuri ends up locked in a storage room—with PRISM’s Yamato. Trouble—and unexpected sparks—follow.
After the tournament, Azusa distances himself. With Terzetto set for a rematch against PRISM, tensions soar at training camp—especially when Azusa catches Matsuri in a compromising moment with Yamato.
A tabloid scandal explodes, dragging Matsuri into the chaos. Confined indoors, she faces Azusa’s pointed question about her true feelings. But a dangerous encounter at a nightclub puts her in real peril.
When Azusa’s injury forces Terzetto to withdraw, support from friends reignites their spirit. As Terzetto and PRISM face off in a grand showdown, every love story reaches its fateful finale.
