Boku no Ω yo Samenaide

Ao, born as a rare Ω with only 10% Ω traits rather than a normal 100% Ω, was thought to be a β in the public as his slight heat would disappear during his estrus periods by taking light heat suppressants. He vowed to live his life out as it is without being bound and controlled by an α, but one day, Ao experienced a lot of change in his life after he helped a crouching man on the street, who was Reiji, a kept α... (Source: Kadokawa, translated) Note: Includes one extra chapter.