Aizawa Azusa, a corporate drone who died of exhaustion from overwork in her previous life, is reincarnated in another world, where she decides to live out a slow and uneventful life forever. But then, 300 years later, she discovers that the experience she earned by defeating slimes every day just to keep up her easy lifestyle has brought her to level 99 and made her the strongest in the world. The rumors begin to spread, and soon trouble comes knocking...
Your consideration toward 
your pupil touches my heart.
.إنّ اهتمامك تُجاه تلميذتك قد أثّر في قلبي
Dass Ihr so um das Wohl
Eures Lehrlings besorgt seid,
Me conmueve que se preocupe tanto
por una simple discípula.
Me conmueve que se preocupe tanto
por una simple discípula.
Votre gentillesse envers moi,
votre disciple,
Questa premura nei confronti della sua allieva 
mi ha toccato il cuore.
A sua consideração com sua aprendiz
mexe com meu coração.
Ваша забота об ученике греет
мне душу.