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!
Melfina, a goddess whom I could only hear, 
not see, and Clotho, the blue slime,
ميلفينا، إلاهة لا أستطيع سوى سماعها
لا رؤيتها، وكلوتو الهُلام الأزرق
Zu meinen Kameraden
zählen die Göttin Melfina,
Tengo a Melfina, una diosa que oigo,
pero no veo; y a Cloto, el slime azul.
Tengo a Melfina, una diosa que oigo,
pero no veo; y a Cloto, el limo azul.
Avec la voix de la déesse Melfina
et mon slime bleu Clotho
La Dea Melfina, di cui posso udire solo la voce
Junto de Melfina, uma deusa que eu só
posso ouvir a voz, e Clotho, o slime azul,
Сейчас мои единственные товарищи —
голос божества и Клото, Синий слайм.