From Attractive Fascinante:
The story of boss, Takehisa, and the chef, Yuuichi, from Ubawareru. Yuuichi met his ex-boyfriend, Kiyohito, coincidentally outside the restaurant. Since then, Kiyohito kept hogging Yuuichi to go back to him. On the other hand, Takehisa actually agreed. What should Yuuichi do? Also includes the conclusion of Takao and Yoshinaga.
Ubawareru Koto Marugoto Zenbu (Prequel)
Suki Toiunoni Nazekashira