How can one start writing historical romance fanfiction?

In this world, Planet Earth had undergone great changes and humanity is faced with extreme danger. Luckily, humans have something called the Heaven Dao software. After downloading the software, Zhou Hao received one million luck points and used it to open a mystery box and obtain the “108 Levels of Dragon Elephant Wisdom Technique”… Also, Zhou Hao realized that with enough luck points, he could even get his crush to sleep with him! In this world full of Insect Race warriors and Demon Race experts, it is ridiculously easy for Zhou Hao to accumulate luck points…

Lin Qi transmigrates to a world of immortals. In this world, there are sword immortals who can behead a person from a thousand miles away, peerless great demons who burn mountains and boil the seas, and ancient gods and devils who can divine the heavenly secrets. As a disciple in charge of miscellaneous chores in the Skysword Sect, Lin Qi doesn't have any cultivation talent. A hundred years had passed in a flash, and seeing that he has nothing to do with such a great world, Lin Qi is incomparably depressed. Just as he is about to die of old age, he suddenly awakens a cultivation system. Unlocked One-Click Cultivation System: Limitless cultivation speed boost, one major realm per second! Unlocked One-Click Technique Practicing System: Cultivation technique instantly maxed out. Cultivate 10,000 techniques at the same time! Unlocked One-Click Clone System: 100% of the actual body's strength. Can self-destruct, can teleport, can fuse! As a result, Lin Qi begins to cultivate again with his hundred-year-old body, becoming invincible under the heavens.

A oreigaru or snafu/DxD crossover featuring our infamous loner Hikigaya Hachiman who for unknown reasons was suddenly ripped from his reality and dropped into this foreign world filled with danger in every corner. And he needs to find a a way to deal with his new overly attached and attention-seeking 'friends'. I primarily focus on fanfiction.net, when a new chapter gets released or I have some important news, I'll most likely post it there first. I'll try to make things work here as well. Also don't forget to review and stuff, I want to know your thoughts on my story! And all chapters are between 2k - 4k words.

The mc got choosen by the 'Crossing God' to cross to many worlds along with the 'Invincible System'. Current world, One Piece. Disclaimer. *Writing this just for my own fun, and spend my boring time. *English is not my mother language. I apologized for my bad grammar and bad english. * I do not own One Piece, other Animation, Movies, Novels. Beside this :D

⚠ ⚠ FOR MATURE AUDIENCES ONLY ⚠ ⚠ ***some scenes/chapters have mature content, language, gore, and violence that might not be suitable for general audiences. Readers discretion is adviced. *** Meet Tia Kim, an aspiring and hard-working career woman who was well respected by her peers and was labeled as "goddess" by her colleagues due to her ethereal beauty and grace. But behind her meek facade,, she keeps a deep dark secret that can shatter her reputation in the blink of an eye. She can't imagine what will happen if people found out that she's not as pure and innocent as they thought she is. A chance encounter led her to personally meet the renowned bachelor CEO Ian Lee. But what would happened if her handsome, domineering boss found out about what she's hiding? #smut, #kinky, #OTP ,#softcore, #romance, #drama

[Received the history -"The Beginning of the Path"] It`s unknown how, but Stroph finds himself in the middle of a billion stars and his sleep comes true. "The Empire of the Flaming Heart" has been surrounded by the countless hordes of monsters for thousands of years and is constantly at war. The rivers of blood flow unceasingly on the battlefield, the furious hail of bullets never ceases and the swords stained with blood cannot be counted. Stroph has been living a completely unremarkable life with his family and friends. But one day, the most ordinary trip to the store ends with him getting a system that records the histories Stroph has committed. In the pursuit of histories, Stroph will have to go to the places where human life is worthless, you might get killed just for fun and a terrifying monster, who is capable to demolish cities with a simple wave of his paw, might be waiting for you around the corner. But Stroph is definitely not one to let himself die without turning the world inside out.