Based on manga series "Kami no Shizuku" written by Tadashi Agi, a pseudonym employed by creative team of sister and brother Yuko and Shin Kibayashi, & illustrated by Shu Okimoto (published from November 18, 2004 to June 12, 2014 in manga magazine Morning). The story is told in two parts - the first part focusing on protagonist Shizuku Kanzaki and his rival Issei Tomine on their search of the "Twelve Apostles" wines, and the second focusing on finding the "Drops Of God". A third part of the series serves as short sequel details Shizuku's life after the competition and taking Issei's daughter under his wing.
The private airplane shown at the airport around the 16:18 mark is a tri motor plane. The plane in the air a moment later is a dual motor plane. Somewhat common mistake when using stock video footage.
Though it is an apple tv show, almost all of the computers in the show are microsoft