Saber Marionette J: Saber Marionette J to X

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Saber Marionette J" Season 2.
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/asterisks/headings/bullets in the prose. Output valid JSON only.
Input Data:
TMDB Synopsis: "The Saber Dolls are back, and torn between their newfound love for Otaru and their undying loyalty to Faust; Will Otaru, Lime, Cherry and Bloodberry be able to stop Faust again, or are they all headed for the scrap heap?"
Source [1]: Mentions 300 years ago, Mesopotamia accident, Terra II, survivors.
Source [3]: Produced by Studio Junio, aired on TV Tokyo Oct 1, 1996, to March 25, 1997. First installment of franchise.
Source [4]: Mentions 300 years ago, Mesopotamia accident, Terra II, six male survivors, Otaru visits Pioneer Museum.
Overview:
The second season of Saber Marionette J focuses on the return of the Saber Dolls. These characters find themselves caught in a conflict between their loyalty to Faust and their newfound love for Otaru. The narrative follows Otaru, Lime, Cherry, and Bloodberry as they attempt to stop Faust once again. The central tension involves whether these characters will succeed in their mission or if they will face destruction. This season continues the story within the setting established by the previous events on Terra II, where mankind was set down following an accident involving the interstellar colonization transport, The Mesopotamia, three hundred years prior. The survival of the characters is at stake as they navigate the emotional and physical challenges presented by the ongoing conflict with Faust. The struggle between duty and affection defines the journey for Otaru and the Saber Dolls as they face the possibility of being sent to the scrap heap.
Word Count Check (Overview):
"The second season of Saber Marionette J focuses on the return of the Saber Dolls. These characters find themselves caught in a conflict between their loyalty to Faust and their newfound love for Otaru. The narrative follows Otaru, Lime, Cherry, and Bloodberry as they attempt to stop Faust once again. The central tension involves whether these characters will succeed in their mission or if they will face destruction. This season continues the story within the setting established by the previous events on Terra II, where mankind was set down following an accident involving the interstellar colonization transport, The Mesopotamia, three hundred years prior. The survival of the characters is