Kyoto Animation has close ties with Shoji GATO, the original author of "Full Metal Panic!," and he wrote scripts for "The Day of Sagittarius," eleventh episode (in the order of airing) of "The Melancholy of Haruhi Suzumiya" (animation), 'A Good Archer' (the fifth episode), 'Let's Go to the Festival' (twelfth episode) and 'Kokoni aru Kanata' the twenty-second episode) of "Lucky Star."
なお『フルメタル・パニック!』の原作者・賀東招二と関係が深く、アニメ『涼宮ハルヒの憂鬱』の放送順第11話「射手座の日」、『らき☆すた』の第5話「名射手」、第12話「お祭りへいこう」、第22話「ここにある彼方」の脚本は賀東が担当した。