Suterare Ω wa Nido Naku

Kyouichi is one of many people who were used and thoughtlessly discarded by a selfish alpha named Takane. Since then, Kyouichi has dedicated his life to caring for another person Takane abandoned: his young son Neon. Although the two have lived as adopted father and son for many years, Neon's alpha nature is emerging and calling out to Kyouichi's long-repressed omega pheromones. On Neon's 16th birthday, their relationship is forever changed...