A series of shocking events! The business trip story with my junior, Kohinata-san, initially had a heartwarming vibe but quickly turned into a thrilling situation as the plot advanced, raising heart rates. The protagonist's experience of being entranced by her unknown side felt like watching an exhilarating sports match. The battle that began with 'Is it okay to spend the night together?' had me completely captivated. Facing Kohinata-san's provocations created a rush, as if a dart had pierced through the heart. However, the charming allure of someone I had thought was just an ordinary junior took me by surprise with its unexpected twist! This erotic story, where her cuteness and boldness intertwine, is packed with irresistible charm that makes you want to reread it multiple times. Can the protagonist escape her sweet trap? This is not just a business trip; it's an exhilarating sports night woven with emotional misunderstandings and close feelings.