Have you recommended any good sci-fi mecha novels and interstellar novels? It's best if you bring some introductions?

[Two-faced Languid Rich Male Lead vs. Deeply Hidden Beautiful Female Lead] Qin Ran had grown up in the countryside. She disappears in the third year of high school and ends up suspended for a year. One year later, she is brought to Yun Cheng by her mother to attend First Middle School. Her mother tells her: "Your stepfather is from a prestigious family, your brother is a genius, and your younger sister is a top student. Don't be an embarrassment to them." Anybody who is anybody in Beijing all receives a warning from Master Juan of the Cheng family: Master Juan's wife is from the countryside and doesn't know how to socialize nor make connections... her temper is also really bad, so please be tolerant of her. One day, when Master Juan is investigating a certain big shot, his subordinate stares at the sockpuppet—an online identity used for purposes of deception—he had accidentally revealed. It's from the wife that supposedly doesn't know anything... He falls into silence. The two bigshots has probably been hiding their sockpuppets from each other in order not to make the other party feel inferior.

Keeley, a simple plain Jane, hits the jackpot. [No, she did not win the lottery!] At least that's what she thinks when she marries the most eligible bachelor in New York City: Aaron, a wealthy cold-hearted heartthrob and Tycoon. She wants to show the world that she deserves her position and bends over backward to fit into his world. One beautiful day, Aaron hands her a document asking her to sign. A divorce paper... "She's pregnant, and I need to take responsibility." That is the last thing that keeps on playing in her mind before she takes her last breath. Keeley dies, a 'hit and run'. [End of story. Not!] For some unexplainable reason, she wakes up as her younger self. A young high school girl, around the time when she first meets her cheating husband. Remembering her life with Aaron before she died, she makes a promise to herself that she will do everything in her power to avoid him at all costs. Will she be able to keep her promise when Aaron has his own plans as well, specifically for her? Or will she repeat history and fall for him once more... Why not journey with me and find out the truth behind their story. *Cover art by polkadottedscrunchie*

"Let me borrow your husband for one night and I spare your dad's life." Trishia Meyer, the only daughter of Senator Meyer demanded. To save her father's company, Arabella had agreed to marry the evil billionaire, Bill Sky. She dared to kiss him to show off her ex-boyfriend that night but she never expected the kiss would deepen and he didn’t want to let go. That night was just a mistake but they met again. They agreed to sign a non-disclosure contract and they swore not to love each other. Sacrificing herself to be with the domineering cold man and turning a blind eye to his sexual affairs with other women were just some of the things she needed to endure every day. Now that she conceived his baby, he wanted it to be aborted instantly. She thought that the baby inside her tummy would bring them closer together but he accused her of deceiving him. Arabella Jones then made a promise to herself that she would do everything to live a happy life with her baby far away from him. Little did she know, it's not for her to decide, that if the billionaire's wrath would allow her.

(danmachi fan-fic) Mark lost everything, the past he lived, the present he was living and the future he would live, all because of one bad decision, but his story didn't end there. Making a deal with the "god" who rules the cycle of reincarnation, Mark now had a new chance to be reunited with his beloved, but would he make it? or would he become just a pawn on a bigger board? Disclaimer: I do not own the rights to danmachi or its characters. The cover used was taken from google and all credit goes to the artist who made it.

Liam Adley just like every other teenager in high school wasn't sure of a whole lot of things, including what he wanted to major in at the University. But one thing he knew for sure, which every other person was aware of, was the fact that he was a Giant Homophobe. He wore it with pride. Until the worse happened and he found himself being drawn to the new introverted very good looking boy who lived across the apartment he was currently residing in. Worse part, the boy didn't like him. The biggest question on his mind now was... WHAT WAS HE GOING TO DO?

After being separated for five years, finally Aaric returned one day only to find his beloved, Sasha to have unknown parents and was engaged to somebody. She even forgot about him. Later, when everything came back on track and they were happily living together, suddenly she met with a horrible fate. Aaric stayed with her for all the past eight months taking care of her. He wanted to be the first person she sees once she wakes up. But her reaction was totally opposite of what he expected. "Who are you?" Did all the hardwork he had done to make her alive again from her deadly past was all gone in vain?