Haikyuu: Zero To Almighty - Chapter 180: The Unstoppable Duo (Double-Length)

After choking to death on a watermelon, Rong Jiahui thought that she would enter the netherworld and be reincarnated.

But when she opened her eyes, she discovered, to her very horror, that she had returned twelve years into the past…

Looking at the beautiful and awkward “little brother” that would be conferred the title of Marshal in the future for outstanding military service, she almost let out a snort of laughter.

She firmly decided to hug the thigh of this little brother, and climb to the top of her life!

The plan was beautiful, but it had just one problem.

Why had this little brother… suddenly turned into…

A little sister…

- Description from Novelupdates

Branded a scammer, a thief and a con artist, Si-eun became a fugitive following the betrayal of his friend and sworn brother Javier, the one who stole his life's work, his business from him and framed him for its downfall. Hunted by loansharks and enraged investors for months, he wandered from city to city until his luck eventually ran out.At the moment of his pathetic death, a god intrigued by his desperation to live offered him another chance at life—Only for Si-eun to awaken inside a familiar world, the world of an MMORPG game he once played, even worse… he inhabited the body of Azazel Von Astavore, a useless extra destined to die in every playthrough of the game.

GBT - BL OMEGAVERSE 18+The Wyne family is a famous wealthy family in Zondalian, a country famous for its progress in the eyes of the world. And their main heir is a handsome man named Daren Harry Wyne.Unfortunately, Daren was born as an Omega who always made trouble until his parents were fed up and annoyed with their own son's behavior.Until one day, a bodyguard is hired to watch over Daren from all sorts of dangers. Both from outside and from Daren himself.“Bodyguard, again? You've got to be kidding me. I can protect myself! I don't need an Alpha to protect me!”However, Daren realized that there was something different about his new bodyguard. There was something he was hiding.Something he couldn't reveal.“Who are you, Mr. Bodyguard?”Kill Me Protect Me, Mr. Bodyguard.

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

- Description from novelbuddy