Asu no Yoichi OP Single - Egao no Riyuu by meg rock

Asu no Yoichi is a new anime based on a manga by the same name. Here's a short plot summary: A boy swordsman, Yoichi and his father stays in mountain training for his descent from the mountain. Yoichi comes to the city to lodge and stay with 4 beautiful sisters. A new more severe "training" regiment awaits him. (source) The OP theme song is called Egao no Riyuu and is sung by meg rock. Meg rock