Eternal Reminder

Nasu and Takeuchi started at the bottom. Takeuchi was wageslaving 24/7 to support Nasu just so that Nasu could have all the time in the world to just write Kara no Kyoukai in 1998, Tsukihime in 2000, and FSN in 2004.

>Let Nasu lived with him while he was working on getting their company started
>Sold a bunch of his collection to help support Nasu
>Talked Nasu into having maids in the series which resulted in Kohaku and Hisui
>Told Nasu to make Arc a cheerful vampire and not a cold vampire, and to not make Shiki middle-aged
>Sold Tsukihime on floppy disks in a doujin market in 1999
>After Tsukihime released, everyone planned to return to their old jobs, but Takeuchi talked Nasu into giving Fate another shot after they left a event where they sold Tsukihime in 2000
>Takeuchi didn't want to draw FemShirou being railed by three different hot guys and told him no one wants to play a female protagonist
>Told Nasu to create Shirou and Saber
>Told Nasu to create Medusa instead of Perseus because there were not enough female servants
>Told Nasu to create Ilya to replace psychotic hitman sent in by the Holy Church
>Told Nasu to create Leysritt and Sella
>Told Nasu to create Dark Saber
>Takeuchi demanded Ayako Kawasumi as Saber's seiyuu from the beginning, Suwabe as Archer and Nakata as Kotomine Kirei
>Told Urobuchi to write Zero and that he would design the characters, wanted Saber riding the Yamaha V-Max
>Told Nasu to write Last Episode to get people who already owned the PC version to rebuy it (good business strategy)
>Told Hiroyama to make PRISMA ILLYA and not a UBW Clock Tower spinoff
>Told Nasu to remake Mahoyo and Tsukihime now that they had money in 2008
>Told Nasu to create a Fate mobile game following the hype and success of the Zero anime in 2013
>Told Nasu that his expositions and explanations for the lore are too long
>Takeuchi visited King Arthur's Tomb in Glastonbury to apologize for doing whatever they want with his appearance and story