Satoshi Tanaka², *Taichi Kawamura¹, Keisuke Onodera^1,3, Gaku Nishiyama⁴, Takeshi Tsuji⁵, Naoya Sakatani², Yuri Shimaki², Hiroyuki Kurokawa⁴, The Next Generation small-body Sample Return Working Group (1.Universite Paris Cite Institut de physique du globe de Paris CNRS, 2.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3.Earthquake Research Institute / The University of Tokyo, 4.The University of Tokyo, 5.Department of Systems Innovation, the University of Tokyo)