When the echo of Atlantica’s Queen goes missing—a dolphin—a series of events lead to a shocking discovery: the Trident they all knew is not what it is. 

And so is the King who wields it.


Dive into the underwater world and learn the origin story of how one timid, gullible water maiden turned into a vengeful, powerful witch.


“It would be difficult not to empathize with Ione who was betrayed as she was. Grab your copy of this prequel and be ready for the next book!”

Where have all the females gone?

When the last young man on Earth discovers the horrendous truth behind the prophecy which purged nearly all of mankind, can he accept it?

Or worse, can he live with it?

Monsters fall in love, too.

Step into the world of  Filipino folklore. Featuring the Philippine mythological creatures of encantada, tikbalang, and kapre, this is a story about love, revenge, and duty.

If I could give this book more than 5* I would. I became totally invested in the characters, it was brilliant. So many twists and turns, it kept me hooked to the very end. I confess I didn't see the ending coming at all.

DONNA Goodreads reviewer

I really enjoyed Cruz’s idea of science regulating everything, including love, for the Vaelteurians and Mavis’ struggle to break with that tradition. Cruz also interlaces a good thriller with the romance, blending both with fast paced and steamy description perfectly! This one’s perfect for both sci fi and romance lovers!

JOSHUA GRANT Author, Amazon/Goodreads reviewer

A mix of sci-fi, mystery and romance; a story of love that transcends the vastness of the universe, what more can you ask for?

REIKA Blogger, Goodreads reviewer

The plot of twists are maintained throughout the book. Must read if you're a fan of romance+thriller genre.

SUMANTH VELAGA Amazon reviewer

A very intense story. Following his extreme reactions, her total confusion and then an extreme and interesting continuous plot-twist. I am so glad I continued reading to the end.

TONI SHORTSLEEVE Amazon reviewer

This is a story that touches on so many levels that appeals to different genres.

MERRY JELKS-EMMANUEL Amazon/Goodreads reviewer

The book was a series of revelations that will make you yearn to turn the next page just so you will know what happens next. It was an absolute delight to read. The plot was unexpected but well thought-out and unlike any other book I’ve ever read.

KINDLE25 Goodreads reviewer

What an awesome read. A heart wrenching thriller about love, loss and mental illness. I couldn't put it down. Have your tissues ready and prepare for the mind-blowing ending that you won't see coming.

LINDA Goodreads reviewer

Chroma Hearts by Mayumi Cruz is a gripping and thought-provoking story about fighting for love against mental illness, with a side of crime solving.

KB MENIADO Owner of / Blogger / Goodreads reviewer

... An entertaining enemies to lovers romance. The author brings strong characters with a fun banter and hot chemistry between Alex and Rome. It's well written, moves quickly and smoothly and had me hooked from start to finish reading.

BRENDA MOSER Goodreads reviewer

Awarded 2019 Best Published Book and 2019 3rd Best Published Author


Mayumi Cruz is an award-winning author writing diverse, cross-genre fiction with emotionally-charged and thought-provoking plots. She writes and continues to explore the genres of crime, romance, comedy, mystery, thriller, paranormal, sci fi, fantasy, horror, women’s fiction, and children’s fiction.

Chroma Hearts, her Romantic Psychological Thriller, is awarded 2019 Best Published Story of the Year by Penmasters League Philippines. She was recognized as 3rd Best Published Author as well. Black Love, her short story, won First Place in Bookbed’s Fictory Contest in 2017.

Some of her writings have also appeared in Philippines Graphic, Medium, AdHoc Fiction and The Drabble.

Mayumi has degrees in Economics and Educational Management and lives in the Philippines with her husband and three sons.

diverse, cross-genre fiction

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