A collection of stories:
1-4) 3 manen no kareshi
Takagi is like the prince of his office every girl admires. But in his private life, he just broke up with his lover, and his body is sexually deprived... At the time, he learned about "rental boyfriend" by chance. He tried, booked someone, and the one who came was a really cool young man named Daichi. His body is perfect, and Takagi wasted no time seducing him to bed, but the service strictly prohibits sexual activities?! Takagi lost his interest in Daichi when...? (From Yaoi Is Life)
5) sugar french
6) no joke!