Zentrix - Recommendations

• Vol: 2; Ch: 12
• 2013 - 2014

Ruku Minatomachi is a 15 year old high school student from Yokohama. Her dream is to travel the world to eat delicious gourmet food.Upon being told by her parents that she's actually a highly efficient, time-traveling android, Ruku embarks on an adventure, traveling back to the Taishō Era (1926) to search for her grandfather. She meets Demon upon her arrival and is whisked away to his domain.

• Vol: 24; Ch: 126
• 1988 - 2004

"Doraemon" is a series about a robotic cat named Doraemon, who travels back in time from the 22nd century to help a schoolboy named Nobita Nobi. Aside from the normal manga books, their great adventures to different places are specially described in Doraemon Long Stories books.

• Vol: 45; Ch: 821
• 1964 - 1996

Nobita is dumb, lazy, and slow, and as a result of his lack of motivation, any future generations in his bloodline are cursed with poverty! Therefore, to help him in his path to succeed, his great-great-great-great grandson visits him from the 22nd century to give him a gift: a blue mechanical cat named Doraemon who has a 4th-Dimensional pocket full of strange gadgets. Unfortunately, Doraemon's talents are inevitably misused for such things as peeping, practical jokes, and general tomfoolery. Can Nobita save his successors, or is he doomed to stay a loser forever?

• Vol: 2; Ch: 9
• 2014

On the first day back after summer break, high-school student Aoba is attacked by a giant robot that appears out of the sky. As he's pursued through the city, his classmate Hina appears in a robot of her own. She rescues him, and tells him cryptically that "Dio is waiting for you," before she disappears. This begins Aoba's new life as the pilot of the Free Treaty Alliance against the Great Zogilia Republic.

• Vol: 4; Ch: 34
• 2021

Vivy, the world’s first autonomous AI, sings to bring joy to her audience as a cast member of NiaLand, Japan’s largest theme park. In this world, AIs have become integral to human life and exist to carry out their missions. One day, out of the blue, an AI claiming to be from the future approaches her, revealing that in one hundred years, advanced AIs will turn on the humans they once served, sparking a violent war to annihilate humankind! When he asks for her help in preventing the conflict, Vivy agrees to ditch the stage and take up the century-long mission against her kind in order to save humanity.

• Vol: 2; Ch: 11
• 2013 - 2014

In the distant future, Asumi--a girl who has no clue to her memories but a drawing of a green-haired, ponytailed person--finds her only friend in Asimov, a battered old delivery robot. The strange companions travel the stars together in search of the mysterious ''Miku,'' only to learn the legendary idol has taken different forms on many different worlds! 

• Vol: 2; Ch: 11
• 1999 - 2000

Katsuya is a high school student with a secret crush. A stranger unexpectedly shows up, calls him "Grandfather" and begs for his help in saving his father - Katsuya's son. Together with Katsuya's childhood friend, and with Katsuya's secret crush, the four set out to save Katsuya's son

• Ch: 3+
• 2018 - ?

• Vol: 2+; Ch: 17+
• 2018 - ?

• Vol: 4; Ch: 33
• 2016 - 2017