The Angel is the pure, glowing waifu who descends to save the NEET from squalor. Think Kanade Tachibana ( Angel Beats! ) or Hana from Prison School (pure but fierce). She cleans the room, cooks bland but healthy rice porridge, and provides emotional support without judgment.
If you are building this life for yourself, start here: eng neet angel and ero family uncensored 0 best