Many years ago, I happened to learn about them. More than a decade later, they came looking for me. Actually, before they found me, I had already asked a classmate who worked at the police station back in my hometown to look into them. Unfortunately, what I knew was too scattered and too long ago, and after hemming and hawing for ages, my old classmate still turned me down. I never expected that two years ago, my eldest sister would find me. From never having met to finally meeting, and then through everything that followed, I began to reflect on what blood ties could bring me. Clearly, they weren't something I could rely on. So I started treating them as a group of familiar strangers who shared my blood, and I found that life became much easier after that...