Retired Human Saint King Ethan Lyons struggles with adjusting to peaceful retirement while sharp splinters on a chair irritate him. His companion warns him to relax, but a sudden red sky signals a disturbance: a world-ending Desolation Demon God is causing chaos nearby. Ethan detects the demon god's energy at the Sunset Retirement Home but manages to dissipate it unexpectedly, restoring peace. This draws unwanted attention, and a desperate presence tries to claim Ethan's tranquility. Ethan demands order, warning intruders to behave or leave. He is rewarded for sheltering a family member seeking peace with a new building, the Tranquil Garden, promising gradual healing.
A social worker from the Federation visits the Sunset Retirement Home and discovers that Ethan, believed dead after the Holy War, is secretly living there. Instead of destruction, Ethan has been nurturing the formerly feared Desolation Demon God, using peace and vitality to neutralize its dangerous energy. As the visitor uncovers this unexpected harmony, the Federation officials learn about Ethan's survival and unconventional approach. They debate raising the threat level around the home but also consider that Ethan’s method might be a more effective solution than containment, setting up a tense decision on how to respond next.
The Federation debates a risky plan to relocate powerful but damaged S-class beings instead of keeping them contained as ticking bombs. They focus on Ethan, a man emitting a peaceful, passive aura, whose true state is unclear. A representative from the Federation Elderly Care Foundation visits Ethan, seeking to offer him a peaceful home for war-scarred heroes suffering from severe PTSD and violent tendencies. Ethan, moved by their plight, agrees to help despite not promising cures. Meanwhile, officials worry about the dangers of trusting someone with uncertain control, realizing this choice might be their only hope, leaving the outcome uncertain.
A new resident, Mr. Lopez—an S-Class conceptual entity named Absolute Zero representing extreme cold—is admitted to a shelter for concepts. Staff criticize the decision to bring him in with thin clothing despite the freezing temperature, fearing his cold energy might cause harm. Unexpectedly, Mr. Lopez uses his power to repair the dilapidated courtyard, demonstrating a transformation of his harsh nature. This breakthrough in the Sunset Project amazes the staff, prompting plans for admitting more concept entities. The episode ends with uncertainty about whether the shelter can handle opposing concepts, Order and Chaos, together.
Frank tracks down the retired Saint King, once famed for defeating the Abyss, now quietly cooking at a shelter. Frank urgently asks the King to return, explaining that without him, the Holy Army suffered severe losses, even burning a city to seal a Plague Core. The King drinks a special tea that surprisingly heals his wounds and purifies his fierce aura, hinting at renewed strength. Meanwhile, two new heroes arrive to meet Mr. Lyons, united by their shared love of chess, setting the stage for an unexpected alliance.
Two residents in a sanctuary clash over a chess game, accusing each other of cheating as tensions rise. Their argument disrupts the peace, prompting a caretaker to intervene and assign them to sweep the floor as punishment, enforcing rules about harmony and care for shared spaces. While grudgingly complying, they bicker over the task, causing further disorder. Amid this, the sanctuary undergoes a dramatic shift: a system update announces it is evolving into a Holy Land, attracting higher-dimensional beings. The episode ends with the onset of a new quest called Ragnarok and the arrival of a god, threatening the tranquil retirement of the main character.
A group of hostile intruders targets a retirement home, believing it holds pure energy ripe for exploitation. The supposed residents resist, causing the intruders to collapse in fear before reaching their goal. Meanwhile, Mr. Quinn, revealed as a demon god guardian of the home, detects an S-class instant-death threat aimed at Ethan Lyons, identified as the vessel needed for a new god's evolution. The intruders’ real target shifts from the guards to Ethan, triggering a world-ending level hostility as the enemy prepares to devour him. The episode ends with Ethan challenging the threat, leaving his fate uncertain.
In this episode, a team detects an inexplicable singularity that defies the fundamental laws of entropy by achieving absolute stillness, causing alarm and demands for access to control and data from authorities known as AEMC. However, the defenders reveal the singularity is actually a resident at a special retirement home, not a weapon or a threat. They claim to have uniquely halted the entropy process, demonstrating unprecedented order and peace. Despite skepticism and tension, the episode ends with the contentious truth about the singularity’s peaceful nature leaving the authorities unsettled and demanding further explanation.
During a stormy day at a shelter for the elderly, an unwelcome, ghost-like presence tries to use its plundering power but finds itself rejected by the place, which refuses to let it belong. Meanwhile, the shelter staff gathers the residents indoors with hot tea and freshly baked osmanthus cakes to keep them warm. A man named Mr. Lopez expresses his longing for a home, highlighting his vulnerability. As the storm passes quickly with thunder but no rain, the atmosphere shifts to calm, hinting at a subtle change in the ghostly visitor’s stance, leaving his next move uncertain.
During a peaceful meal with elderly residents, an alert signals the arrival of the Abyss Ruler, a world-ending threat undetectable by the Federation's weapons. The Abyss Ruler targets the group, seeing the vulnerable elders and a powerless mortal as easy prey. Despite warnings, chaos erupts when the intruder attacks, prompting the protagonist known as the Saint King to override restrictions and reveal his true form to defend everyone. As he confronts the intruder, his unleashed power promises a fierce battle ahead, leaving the safety of the elders in immediate jeopardy.