- Chapter 6: Himitsu, Hitotsu Chapter 6: Summer, The Sun\'s Rays, and Your Back 6 years ago
- Chapter 5: Himitsu, Hitotsu Chapter 5: I’m Sorry, I Love You 6 years ago
- Chapter 4: Himitsu, Hitotsu Chapter 4: The Seasons That Follow 6 years ago
- Chapter 3: Chapter 3 : A Love Awakened By A Kiss 7 years ago
- Chapter 2: Chapter 2 : sister*sister 7 years ago