Romantic ga Niawanai

Haruki, an Omega without pheromones, is captivated by the "scent of destiny" emanating from a used T-shirt. But the owner is Mochimaru, a gloomy Alpha who is far from his ideal.

Even so, Haruki's body can't help but react. While he feels awkward about crossing the line with him, Mochimaru doesn't hide his obsession. Rather, he makes it very clear. And what's more, he confesses that he's a "failed Alpha"...

(Source: Shu-Cream, translated)