I, Tokisaki Kurumi, Am Nightmare's Strictest Mother

The protagonist is Tokisaki Kurumi. Her abilities combine Kurumi's original powers with those of Kamen Rider ZZZ, and she may also gain abilities from other worlds. It's a crossover spanning multiple anime worlds, with Bang Dream as the main setting. An invincible special agent transmigrates through various worlds and becomes Nightmare's strictest mother.