1 - 20 of Works in Sawamura Daichi/Sugawara Koushi . “This is it then," I murmur and Sugawara hums in agreement. I can tell he's trying to stay calm, but. 1 - 20 of 91 Works in Kuroo Tetsurou/Sugawara Koushi . Summary. In which Sugawara Koushi is poly as hell and has a lot of love to give. Kōshi Sugawara (Japanese: 菅原 孝支 Sugawara Kōshi) is a third year at Karasuno High School; he is a.