Yūichi Shibata

"Yūichi Shibata" was a normal boy whose mother was killed by the man who will become the hollow Shrieker. After his dead, Shrieker came back as a Hollow, killed Yūichi and placed his soul inside a parakeet so he can use him to lure Shinigami to him and then kill them. Shrieker trick him into believing by doing that, he will see his mother again. Yūichi then meet Chad who will become his first true friend. After Shrieker was sent to Hell, Yūichi was sent to Soul Society by Ichigo Kurosaki and Chad promise him they will see each other someday. In Soul Society, Yūichi was adopted by a family, but couldn't find her mother in there.