A port of the extra arc included in Kizuna Volume III based on the manga arc of the same name and features several changes, namely the addition of a new character, Miyuki Sorimachi, for modern consoles in widescreen.
A port of the extra arc and the second in the Advanced Story saga originally included in Kizuna Volume I, partially adapted from the manga-exclusive arc Onisarashi, for modern consoles in widescreen.
A port of the alternative version of Hirukowashi-hen originally included in Kizuna Volume II, which contains several changes to its original version in Kai, namely the addition and removal of certain characters and the removal of references to plot details not yet revealed, for modern consoles in widescreen.
A port of the extra arc and the first in the Advanced Story saga originally included in Kizuna Volume I, partially adapted from the manga-exclusive arc Onisarashi, for modern consoles in widescreen.
A port of the extra arc originally included in Matsuri that serves as an alternate version of Tatarigoroshi where Keiichi, Shion, and Rena team up to save Satoko from her uncle for modern consoles in widescreen.
A port of the extra arc originally included in Matsuri, which acts as a bad ending when the player does not make choices that would lead them to Onikakushi, Watanagashi, or Tatarigoroshi for modern consoles in widescreen.
Port of Ozmafia for Playstation Vita and Nintendo Switch. It includes port-exclusive CGs and scenarios written by the original writer and illustrator, Yuumasu and Satoi.
A signal from another planet brings Earth's nations together to send five representatives to alien soil. Met with a desert out of a dream, how will they reconcile with their environment and each other?