Photometry of SN 2024qiw. Top: Optical LCs (colored points) compared with those of other SNe (gray points; plotted toward the right y-axis). The comparison data are from Singh et al. (2024), Anderson et al. (2014), Galbany et al. (2016), Nagao et al. (2024), Reynolds et al. (2025a). The black lines show V-band LCs from the CSM-interaction model of Moriya et al. (2013), assuming SN ejecta with n = 12, δ = 1, M_ej = 10 M_⊙, and E_ej = 10⁵¹ erg, and a spherical CSM, with v_w = 100 km s⁻¹ and s = 2, and a convergent efficiency ϵ = 0.5. The lines correspond to mass-loss rates of 10⁻¹ to 10⁻⁴ M_⊙ yr⁻¹ (top to bottom). Bottom: c–o evolution compared with SN 2023ixf.