Inkjet textile printing ink

An inkjet textile printing ink comprising:

• coloring particles;
• and
• an aqueous medium, wherein
• the coloring particles each include a core and a shell layer covering the core,
• the core contains a polyester resin and a dye,
• the shell layer contains a specific resin with a non-ring-opened oxazoline group and an amide ester group,
• the specific resin is covalently bonded to the polyester resin, and
• the non-ring-opened oxazoline group has a content ratio as measured through gas chromatograph mass spectrography of at least 30 μmol/g and no greater than 100 μmol/g.