Ryosuke 'Ryo' Hira is invited to the octennial Ultimate Banquet - an event held at the start of the year to celebrate a class of Ultimates - talented youths who are skilled in various fields, destined to cultivate hope in their nation.
However, things take a turn for the worst as the 19th Generation of Ultimates find themselves in an unfamiliar environment serving as the stage for an unfathomably tragic event.
The Despair-Class Confinement.
[From itch.io]