いちるののぞみ
sliver of hope; gleam of hope; ray of hope
Also written いちるの望み
Expression, Noun
ここもダメか……そんな顔かおになりながら、少年しょうねんがそれでも一縷いちるの望のぞみで俺達おれたちの顔かおを見上みあげている。
The boy's expression showed his disappointment, but even so he looked up at our faces with a glimmer of hope.