1 Introduction

2 The data
2.1 X-ray
2.2 Subaru HSC
2.3 Infrared

3 Selection

4 Spectral energy distribution and photometric redshift

5 X-ray Spectra
5.1 Apparent spectral slope
5.2 Absorption column density
5.3 Flux ratios

6 Discussion
6.1 X-ray absorption
6.2 Optical/Infrared Color, SED, and Optical Faintness
6.3 Mid-infrared emission and obscuration of AGN

7 Summary and Conclusions