Polyurethane resin, non-natural leather, and ink

A polyurethane resin comprising a reaction product of a raw material component containing a polyisocyanate, a macropolyol, a hydrophilic group-containing polyol, and a chain extender, wherein:

• the polyisocyanate consists of an alicyclic polyisocyanate;
• the macropolyol contains a plant-derived polycarbonate polyol;
• the chain extender contains
• a diamine, and
• a polyamine having three or more primary amino groups and/or secondary amino groups in one molecule;
• and
• a biomass degree of the reaction product is 30% or more.