Eldas Mikayla from The Banished Court Magician Aims to Become the Strongest(味方が弱すぎて補助魔法に徹していた宮廷魔法師、追放されて最強を目指す)
Example prompt:
eldasmikayla,1boy,male focus,solo,white hair,blue eyes,red eyes,heterochromia,very long hair,black cape,red shirt,two-sided cape,white waistcoat,double-breasted,coattails,gem brooch,