Konoha has gone back to the year 1996, where Mamoru refuses to work on any more games, leaving Alcohol Soft without a programmer. Can Konoha manage to convince him to come back and save the project?

Konoha figures out the trick to time travel, and succeeds in going back to the past for the third time. But the winds of change are blowing in 1999, and Alcohol Soft is caught in the eye of the storm!

Konoha is sent to keep a watch on the shady hostess club that Mamoru's dad has been visiting lately. But what she learns there may pose the biggest threat to Alcohol Soft she's faced yet...

Mamoru is hurled back in time to the year 1985. Echosoft, the game company previously occupying the Alcohol Soft building, enlists Mamoru for help creating their own bishojo games.

Konoha and Alcohol Soft completed the development of her dream game. But now she's left with that uncertainty: How will the game go over?

Konoha returns to the year 2023, but finds that the Akiba that she knows and loves no longer exists. With a middle-aged Mamoru as her only ally, can Konoha figure out a way to un-change history?

Konoha needs to create another game to correct the course of history, but it won't be easy with just her and Mamoru. And unbeknownst to Konoha, there's a sinister plot brewing elsewhere in Akiba...

Mamoru frantically searches all over Akihabara for Konoha after she suddenly goes missing. Little does he know that deep underground, Konoha finds herself facing a fate worse than death...

Just as Konoha and Mamoru are about to lose all hope, they hear a mysterious humming. As they turn their eyes to the sky, they see a giant glowing body of light descending upon Akihabara...