"Genkaku Cool na Sensei ga" seems to translate to "The Genuine Cool Teacher" or similar, depending on the context. Without more specific details, I'll create a piece that could relate to a character or a story involving a cool teacher.
Genkaku Cool Sensei walks to her desk, kneels on one knee like a knight, and says: genkaku cool na sensei ga
: Directed by Ao Ishii (as Rui Ishige) with character designs by Yagi Honjou . "Genkaku Cool na Sensei ga" seems to translate