Yamaguchi let it slip that his contact name for Tsukishima was "Borderline Furry" because Tsukishima's preference of dinosaurs. When the team found out they obviously teased Tsukishima about it and soon someone (Suga) bought him that inflatable dinosaur costume and forced him to wear it and now everyone's contact photo for Tsukishima is him wearing that dinosaur costume with a dead look on his face
STAI LEGGENDO
Haikyuu Headcanons
FanfictionHeadcanons that I believe have happened to the characters off screen that may or may not be factual
