ORE IGAI DARE MO SAISHU DEKINAI SOZAI NA NO NI "SOZAI SAISHURITSU GA HIKUI" TO PAWAHARA SURU OSANANAJIMI RENKINJUTSUSHI TO ZETSUEN SHITA SENZOKU MADOUSHI, HENKYOU NO MACHI DE SLOW LIFE WO OKURITAI. (MANGA)

Lloyd, the resident mage of the genius alchemist Ruby, is the laughing stock of the whole country with a material extraction rate of only 40%. He was so disgusted with her that he decided to break off his relationship with her. But what they didn't know was that he could only collect S-rare materials and no one else could.... He sets out on a journey, and begins to show glimpses of his master-class power to adventurers he meets and to Iris, a former saint!