Anime: I Want Harem - Chapter 50

Turns out your childhood best friend — the one you always thought was a dude — was a babe all along....And she has WHAT? A Yuri harem? (An all-girls harem? Seriously?)While she attracts women as easily as breathing, women run away from you the moment you breathe?

The most dependable (sarcastic) assassin -- Gao Xuan.Developing himself with an inventory of powerful gear. A master of biding his time, backstabbing, and brutalizing weaklings.Don’t love me. Nothing would come out of this.I am an assassin without feelings.

They called the Vorrakyns Dragon Riders, but their legacy has crumbled into dust. For centuries, no true Dragon has answered their call.Vacuse Vorrakyn was born into a dying legacy: once-mighty, now feared and cast to the Empire’s edge.A runt. A bastard. Yet he served his family with fierce loyalty, only to be betrayed by the father he once swore to obey. Vacuse died a pawn... a sacrifice to the forbidden magic to call a true Dragon.Discarded like worthless trash.Now, he’s back.Reborn at six, memories of betrayal burning sharp and anger raging in his veins. This time, he’s here to claim what was stolen and everything they denied him.Armed with forbidden knowledge of the Dragon Pathway and the secrets to bond with a legendary beast, Vacuse is determined to rebuild the family legacy—on his own terms.

Six months ago, tens of thousands of black phantom towers appeared all over the world, floating above the cities. Chemists, physicists, religious people… all of them could do nothing.

Six months later, people became used to the towers and no longer paid them attention.

One day, Tang Mo saw a flying insect crash into it instead of going through it. The next day, a sharp and clear child-like voice issued an announcement to all humans.

“Ding dong! November 15th, 2017. The earth is online.”

The black tower’s three iron-clad rules:

1. Everything is explained by the black tower.

2. 6 o’clock to 18 o’clock is the game time.

3. All players, please strive to attack the tower.

- Description from Novelupdates