We held a joint workshop “Basq-RIKEN Workshop on Quantum-HPC Hybrid Computing”  online on January 27, 2025 （https://r-ccs.riken.jp/labs/cms/BasQ-RIKEN-Workshop2025/). Senior Research Scientist Tomonori Shirakawa and Research Scientist Rongyang Sun gave talks titled “Sample-Based Quantum Diagonalization for Quantum Many-Body Systems” and “Parallel Tensor Network State Methods for Simulating Unitary Quantum Dynamics” respectively.