Diabolik lovers Yui's Famous Sister

Yukira Komori is the older sister of Yui komori . Her journey started when she met Seiji who welcomingly took her in within his own care. He cared for both her and yui as if they were his real daughters. Yukira is a famous idol in a famous girlgroup where she is the main singer and dancer . What will happen when she goes to live with her sister at the sakamaki household ?