Blue Eyes

Голубые глаза (NISHIMAKI Tohru) / ブルーアイズ Maria, a Japanese-British high-school girl with huge breasts comes back to Japan and meets her childhood friend Tatsuya Hibino, the studly son of a doctor. They resume their relationship where they left off years before, and go all the way with it. The series then follows Tatsuya as he has encounters with Maria and many other various women, all of them with tremendous mammaries.

Note: the story was never completed.

Included one-shots:
Volume 1: Ace wa Goranchou (The Ace); After School
Volume 2: Private Lesson
Volume 3: Abunai Hokenshitsu (Dangerous Nurse's Office)
Volume 4: Koi no Yukue (Destination of Love)
Volume 7: Creamy MaMa
Volume 8: TENDER SMILE
Volume 9: Yureru Kimochi (That Swaying Feeling)