As an exclusive talent for Soft On Demand (SOD) , Koibuchi has been at the center of high-budget productions and specialized "SOD Star" series. Her presence in these projects often marks a "new start" for the brand's creative direction, blending her background as an "office lady" (OL) with high-concept scenarios that appeal to a broad demographic. Why Koibuchi Remains a "New Start" Icon

Before becoming a central pillar of SOD Create , Momona Koibuchi lived a radically different life. Born on March 3, 1999, in Yamagata Prefecture, she began her adult professional life as a local government civil servant ( 地方公務員 ).

She raced past the , a swirling column that inverted the direction of all motion within its radius. Using the suit’s magnetic boots, she anchored herself to the vortex’s edge, letting it spin her like a pendulum before she released at the perfect moment, catapulting herself toward the final segment—the Heart of the SOD .

The project, officially coded as , is a cinematic production that utilizes a "childhood friend" trope common in Japanese idol media.

The project leveraged natural lighting, extensive location shooting, and high-fidelity audio engineering to create an intimate atmosphere.

The new start with 112 SOD (Soft on Demand) represents a pivotal moment in Momona Koibuchi's career. 112 SOD, a leading Japanese adult content provider, has been instrumental in launching and nurturing the careers of numerous talented performers. For Momona, this collaboration signified a fresh chapter, filled with opportunities for growth, innovation, and deeper engagement with her audience.