Jin: Jin (Final)

Season overview

Role: Meticulous television and film archivist.
Task: Create a JSON object for "Jin" 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. No asterisks. No headings. No bullet points (within the text, though the primer is an array). Output valid JSON only.
Input: TMDB Season Synopsis and Source [1].
Synopsis: Two years have passed since the last season. Jin and Saki develop a sweet confectionery containing medicine for Saki's mother (severe beriberi). Ryoma asks Jin to care for Shozan Sakuma (Kaishuu Katsu's mentor). Shozan was attacked by the Shinsengumi and is in critical state. Jin is reluctant because curing him might change history. Shozan claims he is also involved in the "present".
Source [1]: Jin (2009) is a Drama and Sci-Fi & Fantasy series. A neurosurgeon awakens in the Edo era and uses medical knowledge to help others while searching for a way back.
Drafting Overview:
Two years have passed since the events of the previous season. Jin and Saki work together to develop a sweet confectionery that incorporates medicine intended for Saki's mother, who suffers from a severe case of beriberi. During this time, Ryoma approaches Jin with a request to provide medical care for Shozan Sakuma, the mentor of Kaishuu Katsu. Shozan is currently in a critical condition following an attack by the Shinsengumi. Jin faces a moral dilemma regarding this request, as he is reluctant to treat Shozan due to the fear that curing him could alter the course of history. However, Shozan presents a compelling argument to Jin, stating that he is also involved in the present. This season follows Jin, a neurosurgeon who awakened in the Edo era, as he continues to use his medical knowledge to assist those around him while navigating the complexities of his situation and his ongoing search for a way back to his own time.
Word Count Check:
"Two years have passed since the events of the previous season. Jin and Saki work together to develop a sweet confectionery that incorporates medicine intended for Saki's mother, who suffers from a severe case of beriberi. During this time, Ryoma approaches Jin with a request to provide medical care for Shozan Sakuma, the mentor of Kaishuu Katsu. Shozan is currently in a critical condition following an attack by the Shinsengumi. Jin faces a moral dilemma regarding this request, as he is reluctant to treat Shozan due to