In the author's Special series:

1. H na Koi de Rich ni Narou (Hな恋でリッチになろう; 2001)
2. Futari no Pinch wo H ni no Rikiru! (ふたりのピンチをHにのりきる!; 2001)
3. Koi to H wa Seme! de Iku (恋とHは攻め!でいく; 2002)
4. Himitsu no Koi wa Itsumo H ni (ヒミツの恋はいつもHに; 2002)