Tokyo no Casanova

Tamiko lives with her two brothers, her mom, and her grandmom. It's your typical family, or so she thought. But one day, she finds out Akira, her older brother, is not her brother at all, but the illegitimate child of famous actress Hanyuu Kaori. To make things even more confusing, Akira's feelings towards her isn't the kind towards a sibling, and...