Synopsis: Giri Giri ♥ Sisters

After her mother remarries, Mion finds herself with a new little brother. But this little brother just so happens to be her classmate, Tsukasa. With their parents on honeymoon, what will happen when these two, and Mion's younger sister Kotone are left home alone. In this volume: 1-4. Girigiri Sisters 5. Sakura Rises to the Front 6. HINA Project 7. Rihabiri Byoutou 24-ji 8. In the Nurse's Room 9. Step Up 10. Girigiri Sisters Extra