Kaoru is suffering and Hikaru is lying. They both have a long way to go. Actual, genuine, familial love between the boys. For real.

It's cosplay, Kaoru says, lifting a foot and leaning back against the cushions to cross his legs, distracting Hikaru, though very briefly, with the movement of his bare thighs. sexuality, crossdressing, HikaruKaoru. For mature audience.

[Hinted shounen ai: Hikaru x Kaoru. Oneshot] A third person has come into the world they tried so hard to keep isolated. Kaoru knows both of them need to break free of their limited illusion, but can he sacrifice his own feelings for Hikaru's sake?

Hikaru examines his feelings for Kaoru and decides that his twin would be much happier not knowing the truth. Kaoru keeps an eye on Hikaru and wonders why the hell he’s dumping out all of the syrup. [Twincest] [One Shot] [R&R Please]

Hikaru comes home late from completing an assignment with Haruhi's help, breaking his promise to spend the evening with Kaoru. Kaoru is upset. Fortunately, twins know to never go to bed angry.

Episode 15, my version of after Hikaru kicks Kaoru out of bed. Slightly smutty, twincest, KaoruXHikaru, insinuated relationship between Hunny and Mori but only in passing, slight bad language.

A series of flashbacks told in no particular order. Kaoru looks back and realizes Hikaru’s hand has always been in his. HikaruxKaoru

I remember wondering if binary stars were as tightknit as Hikaru and I, and how they were affected by the influence of other outsiders. [implied KaoruHikaru]

And Kaoru never forgot the distance between them that day. Kyouya x Kaoru. Hikaru x Kaoru. Tamaki x Kyouya. Lemons.

Hikaru and Kaoru have always liked playing games. Haven't they?

Hikaru contemplates the reprocussions of his and Kaoru's expanding world. Not all the results are possitive.

Growing up doesn’t always necessarily mean having to grow apart. HikaruKaoru, slash.

Kaoru wonders just what is going on between him and Hikaru, and who is at fault. Angsty drabblings.

They knew it was wrong and they kept doing it anyway. [HikaruKaoru Twincest]

Kaoru has trouble defining the relationship that he and Hikaru share, and wonders if it's the healthiest thing for them.

[Hitachiin genfic] Kaoru accepts the inevitable. Hikaru overreacts. Kaoru underreacts. It's just a few rooms down, after all.

HikaruxKaoru. Despite the cold weather, Hikaru finds a way to keep Kaoru warm. slash, incest & vague sexuality.

Somehow, it doesn't feel right when he touches Hikaru's lips with his. KaoruHikaru, onesided HikaruHaruhi.

Kaoru fell out of a tree and was rushed to the hospital. Hikaru, not having anyone to talk to, talks to his unconscious brother. Sweet, random oneshot. Hikaru x Kaoru.

And all the while, Hikaru didn't know that Kaoru wasn't really pretending. Hikaru x Kaoru, mainly onesided . Oneshot.

If Tamaki wanted to up the ante, Hikaru would willingly follow. Multichaptered, KaoruHikaru, TamakiHaruhi. [1 of 5]

Without fail, at the stroke of midnight the carriage will turn back into a pumpkin. But at the stroke of midnight, Hikaru will always be there to change it back. HikaruKaoru

Hikaru and Kaoru reminisce about a time in their past beneath the stars.

Kaoru has always been forgiving. HikaruKaoru

[ Hikaru x Kaoru ] Kaoru pushed Hikaru away only to have him come right back.