>>41766103But seriously. Parents die at an early age, nobody around to discourage it, long stressful part-time jobs, training and taking care of Marnie.
Marnie crushing on her older brother, Marnie being given all the attention that a rock star usually spends on a girlfriend, Marnie eventually deciding that she really really wants nii-chans dick and waiting for him to come home shitfaced, seducing him in a nightie and hair let down.
And in the morning, he has to deal with the guilt while his devilish, straightforward little sister is nibbling on his ear and stroking his morning wood, and it's wrong and their parents would be so dissapointed, but she's so cute and the woman of his life anyway...