Midnight Training Hour 

Mao is a new host struggling to climb the ranks. Confident in his looks, he still finds himself frustrated by the lack of requests. His complaints are overheard by Hiyori Kanamori, a staff member from another club, who sharply criticizes him. Indignant, Mao is taken aback when his boss reveals that Kanamori was once the top host and insists Mao take "special lessons" from him. Reluctantly, Mao agrees and starts to find a sense of accomplishment with each lesson. Gradually, he also becomes intrigued by Kanamori himself. Just as things start to improve, the man responsible for Kanamori quitting reappears... (Source: Julian Publishing, translated) Note: Includes one extra chapter.