Fifteen years have passed since the start of the war. A small band of warriors have set out to defeat the Demon King, but when the Hero, all alone reaches his target, gets more than what he expected.

The Demon King’s plan is met with heavy resistance from uneducated humans. The Hero gets to witness and the darker side of the Head Maid and questions the validity of the grand plan.

With the first harvests coming in and things settled in the village, the Demon King visits a convent for the next step in her plan. But the nun she meets there has a past with the Hero, and isn't happy to see them together at all.

Several months had passed since Hero's departure and Female Knight moved to the villa to teach swordsmanship to the Crimson Scholar's students. A member of the Trade Alliance, Young Merchant, pays a visit to Crimson Scholar and she introduces to him another crop then unknown in the Human Realm, corn, claiming that it will help boost mankind's food production even further. Before leaving, he propos...

At Gateway City, a huge city in the Demon Realm occupied by the Humans, Hero, addressing himself as Black Knight, saves a Demon barmaid from being harassed from Crusaders and learns from her how most of the Human army have mistreated the Demons since occupying the city except those who guard the Eastern Fortress. Meanwhile, the expeditionary fleet sent to recapture Aurora Island is a disaster no t...

The Crimson Scholar offers plans to the Winter Kingdom to capture Aurora Island. Hero liberates Gateway City by terrifying the nobles to an extent which makes them flee the city. The commander flees after selecting the new commander of the city, of which this new commander decides to make Gateway City a new government that allows humans and demons to live together. The Crimson Scholar unfolds the ...

As the second summer arrives, the Winter Kingdom has improved significantly with the Crimson Scholar sending one of her students, the Merchant Youngster to help the Winter King. After training with Female Knight and tasting Younger Sister Maid's carbonated drink, the Hero heads back to Gateway City as the Black Knight to attend a festival. While feasting with the Eastern Fortress General, the Fire...

Young Merchant pays a visit to the Crimson Scholar's villa and by her instructions, Elder Sister Maid tries to impersonate her with the magical ring, but is unable to deceive him. Hero then intervenes and takes him to the Demon realm where he shows him that the now liberated Gateway City became a thriving metropolis inhabited and ruled by humans and demons alike and have the Fire Dragon Princess h...

Young Merchant learns from his sources that the Central church and Central nations concocted the heresy charges against Crimson Scholar as her work was helping the South being free from Central's influence. Taking action, he has one of Scholar's students, the Noble Youngster, help in his plans. Meanwhile, an Emissary of the church arrives to take Scholar into custody, unaware that she is in fact E...

The Southern kingdoms join forces to defy the Central nations by ending serfdom and lower taxes to encourage people to immigrate to the South and the Lakeside Convent separates from the Central Church to form the True Church of the Light Spirit with pamphlets and bards spreading their message. Meanwhile, Young Merchant begins buying wheat from the Central nobles with futures contracts which causes...

As Young Merchant and Fire Dragon Princess learns that Central intends to install a new currency to prevent inflation, Winter King and Hero are informed an army lead by the Blue Demon clan has emerged from the portal to the Demon Realm and intends to attack from the south. Hero departs to confront the Blue Demon clan alone, allowing the Southern Alliance to focus on the incoming invasion from the ...

Hero and the Queen are finally reunited after she manages to keep the ancient spirits at bay and regain control of her body. Female Magician appears before the Winter King and delivers him instructions from Crimson Scholar to develop a vaccine for Smallpox and reveals that reveals herself as a demon. Crimson Commander invades the press building and attacks kill Elder Sister Maid, believing that sh...