1.Reincarnation

Ariel, a 16 year old girl dies in a tragic accident by being run over by a struck after being distracted by the random guy who was stabbed on the street. She wishes to be useful in her life as her soul gets reincarnated as a Unique Skill, with the potential of being one of the strongest in Rimuru. She becomes friends with Great Sage as she looks at Rimuru's journey of becoming the strongest.