Progress and Current Status of Materials and Properties of Soft Actuators -- Current Status of Applications and Markets of Soft Actuators -- Electromagnetic Heating.-Thermo-Responsive Nanofiber Mats Fabricated by Electrospinning -- Self-Oscillating Gels -- Ionic Conductive Polymers -- Conducting Polymers -- Humidity-Sensitive Conducting Polymer Actuators -- Carbon Nanotube/Ionic Liquid Composites -- Ion Gels for Ionic Polymer Actuators -- Ionic Liquid/Polyurethane/PEDOT:PSS Composite Actuators -- Dielectric Gels -- Dielectric Elastomers -- Development of Actuators Using Slide Ring Materials and Their Various Applications -- Piezoelectric Polymers -- Spiropyran-Functionalized Hydrogel Actuators -- Photomechanical Energy Conversion with Cross-linked Liquid-Crystalline Polymers -- Photoredox Reaction -- Magnetic Fluid Composite Gels -- Magnetic Particle Composite Gels -- Molecular Mechanism of Electrically Induced Volume Change of Porous Electrodes -- Material Modeling -- Distributed Parameter System Modeling -- Modeling and Feedback Control of Electro-Active Polymer Actuators -- Motion Design - A Gel Robot Approach -- Motion Control -- Application of Nano-Carbon Actuator to Braille Display -- Underwater Soft Robots -- IPMC Actuator-Based Multifunctional Underwater Microrobots -- Medical Applications -- Micro Pump Driven by a Pair of Conducting Polymer Soft Actuators -- Elastomer Transducers -- Tissue Engineering Approach to Making Soft Actuators -- ATP-Driven Bio-Machine -- Employing Cytoskeletal Treadmilling in Bio-Actuator.