In this world, people are born without a gender. Why does Hinase feel so uncomfortable with both attaining a gender and exploring romance? Hinase awakes from a brush with death to an ever-changing present. Their friends are growing up without them, and Hinase''s nostalgia for a simple childhood creates friction. Shiori drifts away, blaming himself for Hinase''s misfortune. Ritsu hopes to uncover the source of Hinase''s anxiety - but only Hinase can face the truth for themself. What''s the connection between gender and attraction?