a girl had a crush to a boy but the boy only played her

After Lucy's 18th birthday, She notice that her celestial powers are getting weaker and weaker until she got nightmares or so she thought it was nightmare. She felt that it was a memory that has been lost forever but she knew it was a mistake because her childhood was complete. She decided to start her own journey on her own leaving her friends clueless on where she went. Read and find out what happened to Lucy on her Journey. Will her Friends try to find her? Save her? or Will they replace her with some guild member.