Issei Toomine

 is a renowned wine critic.

Appearance
Issei is a young attractive man with short black hair and glasses.

Personality
Issei has a very serious and delicate personality. As a wine critic he is labeled a genius and has unique taste in wine. He made Yutaka Kanzaki adopt him, a week before his death, so that he can inherit his wine collection.

Plot
When Yutaka died, Issei and Shizuku Kanzaki went to his house. There both were given his will and that they must find his favourite wines and whoever guess them, will receive his wine collection. Shizuku wasn't agreeing much, but had no choice than accept it. They first task was to compete for who had the right to stay in his mansion. Issei correctly guessed the wine, but since Shizuku never had tasted wine before, he got scared from the aroma and left. A week later, Shizuku now drinking wine returned to taste the wine and Robert came as judge. Issei's description was correct and he won.