Short answers, pulled from the story.
Konami released Suikoden Tierkreis in December 2008 for the Nintendo DS. The game received a generally favorable reception upon release in March 2009 according to Metacritic aggregated reviews.
Kazuyoshi Tsugawa wrote the script for Suikoden Tierkreis having previously penned Suikoden V. Norikaku Miura, Yoshino Aoki, Masaharu Iwata, and Kaori Komuro formed the music staff that composed tracks to support the game's theme of infinite future possibilities.
An energetic young man from Citro Village begins fighting a mysterious organization called The Order of the One True Way. This group preaches that all fate is predetermined and their leader intends to summon The One King using power from Chronicles memories of different worlds.
Suikoden Tierkreis sold approximately 174,000 copies total within Japan during its lifecycle. An estimated 40,000 units moved on the first day of release alone without major marketing campaigns reported by Konami.
The setting features diverse nations inhabited by humans, Roar creatures, Porpos-kin, and Auster giants. Roar resemble Kobolds and Nay-Kobolds found in previous titles while Porpos-kin look like small penguin or dolphin hybrids.