Spin off - Chapter 1:
The siblings were cuddled together on the bed in Kyuosuke's bedroom. The clock on the wall counted two minutes till midnight, far later than the children would have liked to be awake for. But now they unfortunately could only be close to each other when no one is watching them, hence the late-night snuggling. Kirino opened up the conversion nervously, "So what should we do now that we are.. um.. dating? Kyousuke asked curiously, "well, we could go out into the city for one thing." Then he slightly raised his eyebrows amused, "Or maybe you could take me to second base.. hm.. hm?" Kirino interjected with a rough slap to his cheek, "Hell no! What kind of person do you am? Actually..I'd rather not know your answer, you pervert!"
Kyousuke nudged her shoulder hysterically, "I was only kidding about the last part. Haha. Your so gullible. He spelled out the word mockingly, "G. U. L. L. I. B. Gauahhh..." He was suddenly stopped mid-spelling by a swift stab to his vocal chords. "Ow that hurt. It was just for fun..." Kirino smartly added, "Oh, I know your kind of fun all too well.. you .. you ..sister lover!" Kyousuke acted shocked by her sudden outburst, "You take that back!" Kirino honestly answered, "Well, why would I ever do such a thing? You're love with me aren't you?" Kyousuke insisted on pushing it, "That doesn't matter... Just take back what you said about me. Please?" Kirino changed her attitude suddenly, "Why, so you are free to be with other woman like Kuroneko and Ayase? You know you can't escape my chains anymore."
Before her brother could say anything, he was pushed backward onto the bed, with his sister's hands sliding through his hair and her lips touching his affectionately. Kyuosuke suddenly became well aware of what was coming next. Kirino paused from what she was doing and pleaded, "Please... don't leave me again. Can you do that for me? no matter what happens between us?" Kyousuke snapped back to reality from hearing her serious tone. "Ok. I won't abandon you! I promise that... for you!" With her lips hovering close to his ear, she whispered a soft, "thank you, brother." Kyuosuke stayed silent in this precious, yet fragile moment, fighting back the urge to say, "Anything for you, my little sister."
Suddenly, Kirino shot up from beside him, proclaimed that it was already getting late, and tiredly stumbled back to her room. Dumbstruck by Kirino's quick disappearance, Kyuosuke wondered if he would ever be able to tell what she thinking in their newly found relationship. Exhausted from all the drama, Kyuosuke soon dozed off, dreaming of how life could really be like with dating his own sister instead the rest of the girls who he cautiously turned down. He just hoped it would turn out better than the other times in the past.