noun, noun or participle which takes 'suru', intransitive verb
pining away; dying from love
Literary or dramatic expression for wasting away or dying from unrequited love or intense longing. Often used in romantic or tragic contexts.
彼女は失恋のあまり焦がれ死にしそうだった。
She was so heartbroken that she felt like she might pine away.
In the story, the protagonist dies of unrequited love.