Chanho Kim (1), Jaegeun Park (1), Jooyun Woo (2), Sarah Silverman (2), Hongjun An (1), Aya Bamba (3, 4, 5), Kaya Mori (2), Stephen P. Reynolds (6), Samar Safi-Harb (7) ((1) Chungbuk National University, (2) Columbia Astrophysics Laboratory, (3) Department of Physics, Graduate School of Science, The University of Tokyo, (4) Research Center for the Early Universe, School of Science, The University of Tokyo, (5) Trans-Scale Quantum Science Institute, The University of Tokyo, (6) NC State University, (7) University of Manitoba)