Tamaki notices that Kaoru is stressed about his relationship with Hikaru, so the host club king does what any other friend would do: offer him some advice. In return, Tamaki finds himself becoming the target of a possessive and jealous Hikaru who is hell-bent on protecting his precious baby brother. [HikaKao]

He noticed that they had been spending less and less time with each other. And being the hot-headed twin between them, he couldn't say he was calm about all of this. HikaKao. Minor KyoTama. Twincest and lemon.