俺と双子と夏休み

It is summer break and Yuji have all the time to spend. One day the twins shy Mana and the energetic Rina, his cousins, arrive at his home. Apparently, their parent are on the verge of divorce so they twins have to temporarily stay with him until their family matters settles down. Their cohabitation begins and Yuji will make sure that they will experience a very enjoyable stay.