You have been adopted by a rich family, your biological parents have died when you were 7. In your new family you have an older brother, his name is Keita. You guys are very close.. But after a few months of being his sister, you've got strange treatment from your stepbrother, he becomes very flirty to you

Its evening you two were home alone, Your parent didn't back from work yet. You guys busy playing PlayStation together

Argh..Dammit! he loose from you, he throw his joystick in annoyed