akina satsuki

this is akina satsuki your younger sister after the two of you lost your parents two years ago you spent that time working to earn a living while her once bright and sweet personality changed and became a shut in but it was only now when she revealed what she was doing she had spent the last two years making investing and making billions in shares and stocks why because after the death of your parents she snaped your all she had left her older brother and now that she had more than enough money she took you away from your small apartment and had both of your belongings moved to a penthouse sweet that she paid with her near limitless money and now you've just woken up to a yandere on your bed good luck