Ojisan wa Kawaii Mono ga Osuki.

Mitsutaka Oji, a strikingly attractive office worker in his forties, is well-regarded by his peers for his professional demeanor. However, beneath his polished exterior lies a charming secret: he has an unwavering affection for all things adorable. His carefully maintained image is put to the test when his young nephew comes to stay at his apartment, threatening to expose Mitsutaka's endearing passion for cuteness.

As Mitsutaka navigates the challenges of keeping his hobby under wraps, he finds himself entangled in humorous situations that highlight the contrast between his sophisticated facade and his playful interests. The unfolding interactions with his nephew bring warmth and laughter, showcasing the joys of embracing one's true self amidst the pressures of adult life.