He is the patriarch of the Gryffindor clan, a family of white wizards, but when he met him... He gave up his heart.
He was his adopted son, but he fell in love with him while getting along with him.
He was an ordinary professor, but after getting to know him, he fell deeper and deeper into the world.
He is a dark wizard, a powerful dark wizard. He has been among thousands of flowers and never touched a leaf, but in their relationship, he gave his sincerity.