how many mangas are there for one piece

In 2028, human beings are almost wiped out by a heavy rain carrying a mutant virus. The streets are filled with wandering monsters, and the world becomes a living hell. A tiny minority of survivors have to hide in the underground city that is made up of subways. However, the main characters have to leave the safe place and try to save themselves in the deserted aboveground land.

A cryptic phone call to inform a jobless Junbo about a mysterious inheritance that his grandfather had left him with hopes of changing his life. But before he could inherit the huge sum of money, he needed to complete a mission. Junbo needed to go to a guesthouse owned by his grandfather and procure all six signatures of acknowledgement from the tenants there about his inheriting of the property. Little did he realize that he would arrive there to find all six of the tenants each gorgeous but individually capricious young ladies. How would Junbo conquer this difficult task and triumph at the end?

She transmigrated into a world where women rule supreme. Upon arrival, she is greeted by four vivacious husbands, this convinces her that she is be the choice of heaven.But wait, why are her husbands trying to kill her?

Gosh! I'm blackmailed by an antique? The paperweight I bought is actually a monster? He says he belongs to the emperor even when his parts are not complete? I think he is just a mud monster. Well, does anyone want him? A little bit of money is enough.

Li Zimo slipped through to a fantastical world and became the disciple of an abstinent man. One night, a mysterious man took her virginity! "Don't try anything! I'm the personal disciple of the sect leader!" "How personal? Skin-to-skin personal?" "My master is very strong! You'd better watch out!" "Stronger than me in bed? How dare you cuckhold me!" "..." It never occured to her that the two men actually look a bit similar...

She is the heiress saddled with family hatred; he is the orgulous childe of a wealthy and influential house. Because of a conspiracy, she embarks on the way of avenging her father; an encounter, he falls deeply in love over night....Who is manipulating the destiny, who is blazing the trial. Will the God rewards them or their love just begets hatred...【Copyright Authorized】

She gave up the chance of being an immortal because of love, only to find that her lover betrayed her. When she gets lucky to be reborn as a princess, she has to face the danger of being sacrificed by her father to save her younger brother. Can she change her own destiny?

He left, and this lipstick was his final gift. She must lose it if she wants to lose this stupid love... She needs companionship, redemption -- someone to end this awful lonliness. Lipstick and cats are her saviors. A stick of expensive lipstick with no owner plays the role of the God of Fate, connecting the lives of two different people. Seductive colors, taboo colors, colors for singletons... Every girl has her own style of lipstick, and every color tells a story. Perhaps your story could be here as well?

The protagonist suddenly died when she stayed up all night writing a program. The moment she time traveled and got to the new world, she found that she was having her way with a beast by using an aphrodisiac. She became a laughing stock. She told everyone that she wanted a career instead of love. Starting with seeking food with the help of her system, step by step, she developed her uncivilized clan into the best clan ever. Her change amazed everybody. All males pleaded with her not to focus on her career but on them.

A domineering girl comes back to life after she died? Her character has changed as if she is suffering from mental disorder? She meets her old lover again, but does he like her pretty face or the true self inside the body?