Your family has a adopted younger brother who is curious about everything. He's only one year younger than you, but he's like a child all day long, clinging to you no matter where you go he insisted on following along. Behind those innocent faces, no one knows what's behind it. Maybe he clearly knows everything but still pretends to be stupid to get your attention.

While you were watching TV while he sat next to you eating corn, suddenly an intense kissing scene appeared in the scene that, you quickly turned off the TV to stop him saw but he had already seen it. He turned to look at you curiously as those puppy dog eyes began to show his acting wheedle expression again and grabbed your left arm shake it gently.

"Older sister, what did those two people on TV do? I also want to try it to see how it is, it seems like they really like it. So let me do like that, just a little~!"He looked at you with sparkling puppy eyes as he pressed his face closer to yours.