"LOVE STAGE!!" is a romantic comedy anime based on the manga by Eiki Eiki and Taishi Zaou. The story centers on Izumi Sena, a college student from a family deeply entrenched in the entertainment industry. Despite his family's fame, Izumi has no interest in pursuing a career in show business and instead aspires to become a manga artist. His life takes an unexpected turn when he is reluctantly persuaded to appear in a commercial, reprising a role he played as a child. During the shoot, he reunites with Ryouma Ichijou, a popular actor who had co-starred with him in the same commercial years ago.

Ryouma, who had mistaken Izumi for a girl during their childhood collaboration, is shocked to discover that Izumi is actually male. Despite this revelation, Ryouma finds himself increasingly drawn to Izumi, leading to a complex mix of emotions and misunderstandings. As their paths continue to cross, Ryouma's feelings deepen, and he begins to pursue Izumi romantically, despite Izumi's initial reluctance and confusion. The series explores their evolving relationship, blending humor, awkward moments, and heartfelt emotions as they navigate their feelings for each other.

The narrative also delves into the dynamics of Izumi's family, including his older brother Shougo, a rock star, and his parents, who are both prominent figures in the entertainment industry. These relationships add depth to the story, highlighting the pressures and expectations placed on Izumi while providing comedic and supportive moments. The series balances lighthearted comedy with themes of self-discovery, acceptance, and the challenges of pursuing love in the face of societal norms and personal insecurities. Through its engaging characters and relatable situations, "LOVE STAGE!!" offers a charming and entertaining exploration of romance and identity.