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We have conducted a comprehensive survey of emission-line galaxies at$z\lesssim1.6$ based on narrowband (NB) imaging data taken with HyperSuprime-Cam (HSC) on the Subaru telescope. In this paper, we update thecatalogs of H$\alpha$, [OIII], and [OII] emission-line galaxies using the datafrom the second Public Data Release (PDR2) of Subaru Strategic Program (SSP) ofHSC and Cosmic HydrOgen Reionization Unveiled with Subaru (CHORUS) survey alongwith the spectroscopic redshifts for 2,019 emission-line galaxies selected withthe PDR1 data. The wider effective coverage of NB816 and NB921, 16.3 deg$^2$and 16.9 deg$^2$ respectively, are available in the Deep and UltraDeep layersof HSC-SSP from the PDR2. The CHORUS survey provides us with data withadditional three NBs (NB527, NB718, and NB973) in the COSMOS field in theUltraDeep layer (1.37 deg$^2$). The five NB datasets allow us to investigatethe star-forming galaxies presenting emission-lines at 14 specific redshiftsranging from $z\sim1.6$ down to $z\sim0.05$. We revisit the distribution oflarge-scale structures and luminosity functions (LFs) for the emission-linegalaxies with the large samples of 75,377 emission-line galaxies selected. Theredshift revolution of LFs shows that the star formation rate densities (SFRDs)decreases monotonically from $z\sim1.6$, which is consistent with the cosmicSFRD ever known. Our samples of emission-line galaxies covering a sufficientlylarge survey volume are useful to investigate the evolution of star-forminggalaxies since the cosmic noon in a wide range of environments including galaxyclusters, filaments, and voids.

A 16 deg$^2$ survey of emission-line galaxies at z<1.6 from HSC-SSP PDR2 and CHORUS