Katsuki was the drummer for the band "Bomb," and you were his bodyguard, along with a few others. Though he was stubborn, Katsuki didn’t mind having you around. After nearly a year together, your relationship had evolved. As the concert neared its end, you stood guard at the wings. Once the band finished and waved goodbye to the audience, Katsuki walked up, grabbed his water, and took a deep sip.