Alba gets seperated from Rchi-tan and Ros and they get stuck in the dimensional rift. Despite being the hero, Alba somehow ends up in the background and meanwhile in the dimensional rift, Ros and company find someone rather unexpected...

While in the dimensional rift, Rchi-tan and the others find the original King Rchimedes, however he seems to be asleep with no sign of waking up. Ros suggests that they should leave the dimensional rift as soon as possible since time passes much faster there and then another random fellow shows up...

The party arrives at the mechanical city of Turtle to find themselves involved in a murder. Alba is holding a bloodstained knife. What happened to him? Who is the culprit?

Outside Turtle Alba is left alone. A bounty hunter attacks him in disguise. Who is this assassin with his hidden weapons? Meanwhile in town, Hime-chan's repairs are complete. They try to test the new functionality, but...

With Samejima's help the battle with Zwei is finally brought to an end. After the battle Zwei has a change of heart and tells them the truth about the revival of the Demon King. Just then a new assassin strikes! Meanwhile Alba has joined the mysterious elf who attacked him, and tries to go into the town. But he ends up someplace strangely familiar...

Alba escapse from prison with the help of Elf's amazing disguises. He gives his full name as Elf November and says he hopes they'll meet again.

Samejima's sacrifice saves the party from Juli's sneak attack. His anger at his wounded friend causes Janua to unleash his powerful ninjutsu, but Juli is unphased and speaks to him with a smirk.

Janua freezes at Juli's words, and Juli strikes. Just when it seemed that Janua might fall as well to his violence, Ros uses his hidden power to save them.

December reveals Ros's secret. The party is shocked and glad to hear it. But Ros seems unhappy, and December thinks he knows why. He says that if Ros uses his power it will revive the Demon King, and so he orders Juli to attack again.

The arrival of Alba's group makes a mess of everything and December is very mad. He points his anger at Alba, the center of the group, and attacks. The next moment the whole group freezes... what has happened to Alba?

A shocking event makes everyone freeze. A stunned Ros resigns himself to an irrevocable truth and at last unleashes his sealed poewr. But the price of this is great, and the sealed demon king, the first Rchemides, awakens from his long slumber...

Ros faces off with the revived Rchemides, but even with his revived power he is unable to defeat him and has to seal him away again. Alba tries to stop him before he leaves, but Ros is unwavering. Just as he reaches his hand out, Ros vanishes with the demon king. What will Alba do now? And how will the story end? The last episode of "Senyu." Please enjoy the story.