Shitataru Mitsu no Shitoyakana Yuuwaku

Arisue Hibiki is a wine cellar owner who feels lonely after his childhood friend, Tsuzuki Shouchirou, finds a lover. His sommelier, Sukezane Kensou, notices his sadness. After Sukezane gives him a knowing look, Arisue invites him for a one-night stand. Later, Arisue realizes he has developed deeper feelings. The story is written by the collaboration of Ebihara Yuri and Fuyuno Jinko.