Anime Crossover: I'm Afraid of Dying, So I Don't Want to Be the Heroine!

What! Her best friend, who was supposed to be dead, wasn’t dead at all, but had transmigrated! And she’d ended up in the world of Bleach, becoming Toshiro Hitsugaya’s mother! Good grief, what kind of world is this! Wait, why do I have to transmigrate too? Huh? This isn’t Bleach. The person in front of me looks like Clark Kent... Damn it! Don’t tell me I’ve transmigrated into Superman! Why did it have to be such a dangerous world? I’m no three-headed, six-armed monster. I could die so easily! Waaaaah~~~ I’m afraid of dying, so I don’t want to be the heroine! Teacher Cat The heroine’s appearance