【Sis Who Wants to Sleep Together No.1!】Tsuzumi-oneechan, who came to take care of a man with a cold. With a gentle and soft-spoken personality, she can't refuse a man's request. At first, it was just sleeping together, but before he knew it, his clothes were taken off and they were completely in a naughty mode. Forgetting the purpose of coming to care for him, he gets irresistibly cute and overwhelmed!