I know what it is. [Gongenzaka told him, at least a version of the story. Told him he killed with obvious regret.

Yuya steps closer so he can put his hand on Gongenzaka's arm in gentle encouragement to stop turning away from him.] But you... you can't hold this against yourself like this. You're a good person, and you help more people than you hurt. It's not like you had much of a choice, right?

[He sighs, his expression twisting wryly.] And letting them hurt you instead isn't a choice.