Touhai: Ura Rate Mahjong Touhai Roku

Kei, a high school boy, is one of the city's most skilled and feared Mahjong players. A talented and observant individual, he has honed his skills through experience, allowing him to navigate the complex web of powerful and often ruthless individuals. Kei's life is complicated by his responsibility to protect Amina, an undocumented immigrant who has taken refuge with him, and his own desire to find a worthy opponent in the Mahjong world.