Mageinu no I Love You

Gekiba, known for his aggressive sales style, is in his fifth year as a host and is facing sluggish sales and is in danger of being fired. To avoid being fired, Gekiba is given the command by his owner, Nanae, to "master the 'Love Pillow'." To practice the pillow technique, Gekiba meets up with Hotaru, the No. 1 Love Pillow host from his time at the club, at a hotel. However, Hotaru suddenly changes from his usual cold attitude and starts to indulge him like crazy!!?

(Source: Kaiohsha, translated)