While mahjong is a game that is often played with family and friends, it is also a game that is played in the darkest corners of society. Nangou is a compulsive gambler who has accumulated debt over three million yen. In a last ditch attempt to clear his record, he decides to wager his life on a game of mahjong with the mafia. Unfortunately, as the game progresses, Nangou only moves further from the prize and closer to death. When all hope seems lost, the game parlor is suddenly intruded upon by Shigeru Akagi, a young boy on the run from the police. Desperate to turn the game around, Nangou hands the game over to Akagi after teaching him a few of the rules. The mafia can only smirk as Akagi sits down to play. However, they soon come to learn that Akagi is a natural-born gambler. An imposing figure who does not fear death. One who is destined to become a legend. [Written by MAL Rewrite]

Unaired episodes 36-39 of Hoshi no Oujisama Petit Prince.

It is 2977 AD and mankind has become stagnant. Robots do all the work, the masses are kept tranquil by subliminal messages, and government officials are lazy, caring only about recreational activities like golf and horse racing. Captain Herlock has defied this insipid mentality, leading a group of like-minded rebels to a more adventurous life aboard the spaceship Arcadia. A mysterious force known as the Mazone has invaded the Earth, taking the form of mysterious cloaked women that kill anyone who suspect their nefarious doings, such as Tadashi Daiba who is now on their hit-list. After his scientist father is ignored by the government and killed by the Mazone, he joins Captain Herlock and his ragtag group of pirates to assist them as they try to save humanity from the impending alien threat. [Written by MAL Rewrite]

Lamune is an ordinary 4th grade boy who loves playing video games. He buys one from a peddler girl and helps her sell the rest. At home, he plays the game called "King Sccasher" & beats it. The peddler girl then comes out of the TV screen and asks for his help, calling him "The Blood Relative of the Chosen Hero Lamuness". She is Princess Milk and takes him to Hara-Hara World where his role is to revive the Guardian Knights. To do this, he had to find an unlock the shrine which held Tama-Q, a robot who became Lamuness' Advisor Robot, and key to freeing the Guardian Knights. All of the Knights are free-thinking mechas except for King Sccasher which is piloted by Lamuness. Opposing Lamuness is Don Harumage and his minions Da Cider and Lesuka. (Source: ANN)