kazutohisashi

This OVA presents an alternate universe to the original Clannad anime, in which Okazaki Tomoya is dating Sakagami Tomoyo in the 24th and final episode of Clannad. When Tomoyo is elected Student Council President, her dream to save the school's cherry blossom trees from being cut down begins to come to fruition.

Due to an untimely death of one of its members, a once happy and playful group of friends drifted and grew apart. Living their lives separately from each other, they secretly blame themselves for the horrible accident, and never got to move on even after years had passed.

The suspense horror/dark fantasy story is set in Tokyo, which is haunted by mysterious "ghouls" who are devouring humans. People are gripped by the fear of these ghouls whose identities are masked in mystery.

The ghouls of Anteiku invaded the Aogiri's site in order to rescue Kaneki Ken who is being tortured. Due to provocation, he unleashed greater power enough to defeat Yamori.