Summoner Kelvin is reincarnated into another world after sacrificing all his memories for a variety of powerful skills. He's also brought the Goddess who reincarnated him with him, as his own personal summoned monster!
The others are much weaker, 
Rank B or Rank C at best,
،الآخرون أضعف بكثير، برتبة ب أو ج على الأكثر
Die meisten anderen sind
bestenfalls B-Rang oder C-Rang
Los demás son
de rango B o C como mucho.
Los demás son
de rango B o C como mucho.
Les autres sont tout juste
au rang B ou C.
Gli altri nella migliore delle ipotesi
 ce l'hanno di grado B o C
Os outros são muito mais fracos, de Rank
B ou Rank C na melhor das hipóteses,
Остальные гораздо слабее.
В лучшем случае B или С.