Mr. Osomatsu: 3rd season

Season overview

Role: Meticulous television and film archivist.
Task: Create a JSON object for "Mr. Osomatsu" Season 3.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown. No asterisks. No headings. No bullet points (within the overview, though the primer is an array). Output valid JSON only.
Target Content:
overview: Factual summary of Season 3's narrative arc.
primer: 4 concise points on previous lore/characters/stakes.
Synopsis: "After their deaths last season, the sextuplets are visited by two AI-powered robots who claim to be in service to NEETs who need them. Do they have ulterior motives? What's Totoko's long-time idol rival doing as a single mother? And what does an AI comedy competition have in store for the brothers and their new helpers?"
Source [1], [2]: "The lives of the now 20-something NEET Matsuno sextuplets and the bizarre adventures they find themselves into in the modern day."
Source [3], [4]: Japanese adult comedy anime produced by Studio Pierrot, based on Fujio Akatsuka's 1962 manga series, Osomatsu-kun. Follows sextuplet Matsuno brothers as adults.
Overview Construction:
Following their deaths in the previous season, the Matsuno sextuplets encounter two AI-powered robots. These robots claim to be in service to NEETs who require their assistance, though their true motives remain uncertain. The narrative explores the lives of these 20-something NEET brothers as they navigate bizarre adventures in the modern day. Additionally, the season touches upon the life of Totoko's long-time idol rival, who is now a single mother. The brothers and their new robotic helpers also participate in an AI comedy competition, which presents unknown challenges. This adult comedy anime, produced by Studio Pierrot, is based on the 1962 manga series Osomatsu-kun by Fujio Akatsuka. The series continues to follow the adventures of the sextuplets as they deal with these new technological developments and personal developments in their lives.
Word Count Check (Overview):
"Following their deaths in the previous season, the Matsuno sextuplets encounter two AI-powered robots. These robots claim to be in service to NEETs who require their assistance, though their true motives remain uncertain. The narrative explores the lives of these 20-something NEET brothers as they navigate bizarre adventures in