In an age when artificial intelligence has become integral to human life, AI songstress Vivy captures people's hearts with her enthralling voice at a theme park, NiaLand. When a mysterious AI who calls himself Matsumoto appears and claims to be from one hundred years in the future, he warns Vivy of the coming apocalyptic battle between AI and humankind. Can Vivy help prevent an all-out war one hundred years hence, and save humanity from destruction?

Originally penned as a collaborative "concept novel" before production of the popular anime Vivy -Fluorite Eye's Song- (available streaming through Funimation), don't miss this rich science fiction tale of an AI songstress and her 100-year mission to save humanity--from the writers of Re:ZERO and Chaos;Child! In an age when artificial intelligence has become integral to human life, AI songstress Vivy captures people’s hearts with her enthralling voice at a theme park, NiaLand. When a mysterious AI who calls himself Matsumoto appears and claims to be from one hundred years in the future, he warns Vivy of the coming apocalyptic battle between AI and humankind. Can Vivy help prevent an all-out war one hundred years hence, and save humanity from destruction?

Vivy takes the stage at the Zodiac Signs Festival, site of the next Singularity Point. There she meets Ophelia, an AI who committed suicide in the original history, and must confront the idea of whether AIs have souls. During their search for the truth to prevent the incident, Vivy comes face-to-face with a human she knows...a human who shouldn't exist!So, does an AI taking her own life prove she has a soul, or does it point to something else entirely?

The Singularity Project is over, but Vivy wakes up to a hopeless sight: the climactic war between humans and AIs she worked so hard to avoid! With humanity on the brink of destruction, Vivy seeks out Professor Matsumoto, the creator of the Singularity Project who knows where it all began. Humans who loved AIs, humans who hated them, AIs who grew close to humans, AIs who supported each other... This is the end of all their stories, the grand finale that brings the songstress and her partner's century-long mission to a close. Put your hands together, and send off their joyous journey with all your heart!

The Singularity Project, the century-long mission to prevent the climactic war between AIs and humanity, is well underway. When Vivy awakens for the next Singularity Point, she finds a world of AI far more advanced than in the original history. To get to the bottom of this mystery, Vivy goes to see leading AI researcher Saeki Tatsuya--the first human to marry an AI. But if an AI has no heart, is this love story nothing more than a fabrication?

Every night, Adachi transforms into a nightmarish creature--and every morning, he reverts to human form. When he encounters his ostracized classmate Yano Satsuki in his monstrous state, the two develop a peculiar bond. But daylight brings its own form of terrors. Which is worse, the monsters at night, or the cruel realities of the classroom by day?

A fantasy isekai adventure about a man who has to restart life…as an egg?! (And don’t miss the original light novels, also from Seven Seas.) If you woke up as a sentient egg in some random forest, I bet you’d be confused, too. That’s exactly what happened to me in the oddest turn of events…Being reborn as a little egg has its challenges, but luckily, with all these monsters out to eat me, I’m gaining experience quick. Once I bust out of this shell, a cool new form better await me–that is, if I survive long enough! Between dodging teeth and breaking out of my egg, this world has kept me busy; yet despite all that, I'm one lonely dragon...