*Noriyuki Kawasaki¹, Kazuhide Nagashima², Naoya Sakamoto¹, Wataru Fujiya³, Sota Arakawa⁴, Yushi Miyamoto¹, Daiki Yamamoto⁵, Sara S. Russell⁶, Hisayoshi Yurimoto¹, The Hayabusa2-initial-analysis chemistry team, The Hayabusa2-initial-analysis core (1.Hokkaido University, 2.University of Hawai‘i at Mānoa, 3.Ibaraki University, 4.JAMSTEC, 5.Kyushu University, 6.Natural History Museum)