1. Introduction
2. Nomenclature and Sample
2.1. Group I and Group II for TTSs
2.2. Sample
3. VLT/SPHERE Images
3.1. Observing Mode and Data Reduction
3.2. Individual Maps
4. Comparison with ALMA Images
4.1. High-resolution Images
4.2. Moderate-resolution Images
5. Search for Trends
5.1. NIR Excess
5.2. Disk Dust Mass
5.3. Stellar Age
6. Discussion
6.1. Inner Rim and Outer Disk Interplay
6.2. Faint Disk Demographics and Evolution
7. Summary and Conclusions