37 pages [Maria Planet (Katano Chika)] Mama to Musuko ga Mujintou de Love Love Sex suru Hanashi | A Story of a Mom and Her Son's Lovemaking on a Uninhabited Island [English]
42 pages [Maria Planet (Katano Chika)] Boku no Shoushika Taisaku Matching no Aite wa...... Mama!? [Chinese]
34 pages [Maria Planet (Katano Chika)] Mama to Musuko ga Mujintou de Love Love Sex suru Hanashi [Chinese]
41 pages [Maria Planet (Katano Chika)] Boku no Shoushika Taisaku Matching no Aite wa...... Mama!? [English]