Asahina And Their New Sisters || Brothers Conflict Fanfiction

Hinata and soon to be Asahina Eri Is a Detective and Secret agent. What will happen when she and Ema must live with their new brothers? While she was spying some dangerous oragnization? She must hide her identity and stay away from them for their safety. But, Is it that easy? How about Asahina's family? Did they welco...