Mikoshiba-kun ga Mero Sugite Shinu! Rival Douki ni Beta Ama Aibu de Oto Sarete

"So, why don't you start by relying on me?" Ayase Rina is a highly successful career woman, known within the company as one of the "top two young talents" along with her colleague Mikoshiba. However, in reality, she's clumsy and just works hard, secretly admiring the efficient and composed Mikoshiba. Despite working diligently, Rina has never had a boyfriend. She doesn't want to die a virgin! ..but she has absolutely no idea how to date.. and one day, burdened with these worries, she loses her home due to a water leak! Living in an unfamiliar hotel is unsettling, and her physical strength is at its limit..she ends up confiding in Mikoshiba, with whom she went out for drinks..? Her always composed rival colleague is actually a heartthrob!? Beware, it's too sweet!? In a limited-time cohabitation, the clumsy virgin office lady is on the verge of falling head over heels..!? (Source: Bunkasha, translated)