Their contract has been forged. Secrets have been revealed and accepted. An entirely new path has opened up for the Twilight Kingdom. However, now comes the hard part. Looking to their future together and what that will bring for everyone around them. What will these new connections bring for the hero that is a monster and the kingdom he protects. What will be born of their union? Will this bring tragedy, or will it bring salvation? Or more likely both.

In a typical fantasy world overrun with heroes and demons. A not so typical princess waits for fate to guide her directionless life. Then one day her fate shifted with the summoning of a new hero. The princess herself calls this hero with her desire for change. However, this hero is unlike any other before him, this hero is not normal. Though she is the only one that knows it. This new hero is undeniably a monster. By every measure he is a monster in the guise of a hero. How will this typical fantasy world and not so typical princess change with this new hero? For even if he is by all ...

New enemies and potential allies have appeared. As the hero festival continues, what new alliances will manifest? How will these new relationships be forged? Will it be with blood and violence, or with love and new life? When will the hidden threats make their move what are their goals? One hero has already fallen. Who will survive till the end of the festival? Will our hero be able to keep his secret? Whom might he have to kill to prevent that information from being revealed? Who is the bigger threat?

Ominous winds blow. The Hero Festival enters its final day. This is the end of our first big arc. Who will survive? What scars will be left behind? How exactly will our monster of a hero deal with this new threat? Will his mask fall once again? All these questions and more will be answered in this volume of Isekai Monster.

The world expands. The actions of the hero will have rippling effects reaching farther than anyone could have imagined. Some ripples will be small while others large, some will not be known for some time to come. You will not only see what has transpired in the hero's kingdom but the echoes as well. Loose ends will be tied and others cut. The mysteries of this world are deep and far-reaching.

The night of the new moon is upon us. Seigi has given into his joy and lost himself. The prize long since lost has been found, or so he thinks. Fate is playing its final hand. Will our hero become who he wants to be, or will he become the monster he was always meant to be? Madness and chaos abound as we start down the road to the end. The final arc of Isekai Monster is now beginning.

This book is a bit of an oddity compared to my others. These are a collection of stories that are connected but also not. Each story is a tiny look-in on some things that are happening at relatively the same time. This book is meant to be read after book sixteen of Isekai Monster. Technically, its running parallel to book 17. They both end at approximatly the same time.

A collection of side characters' adventures after the main series war arc.

They have been stolen. Seigi’s children were taken by the same type of hero summoning spell that called him to this world. Queen Releina, maid Maria, and the hero Charlotte’s first children from Seigi have been ripped from their breasts. Only a year old and they are off on their own perilous journey to another world. Follow them as they begin this new Heroes Journey. Will the multiverse survive Seigi’s wrath, and his children’s curiosity?

Titans clash, the world itself trembles in fear. Ragnarok has begun. Will there be a bright future afterward, or will there only be nothingness? All over the world, heroes and demons race to action. In this volume the titanic battle between monsters will conclude, forever changing this world.