A manga version of the French-Canadian-Japanese animated pilot.

From Ankama Shop :

In Neopolis, a virus is affecting the population from birth. All physical contact is officially forbidden because it is fatal. Raised to hate the opposite sex, boys and girls live separated by a wall. But the emergence of N-Dorphin, a revolutionary drug, threatens to disrupt the status quo. Kenzell and Lesya, two dissidents of opposite sexes, reluctantly find themselves involved in a merciless clan war and will need to face a reality that goes far beyond what they could have imagined…