You Asked Me to Teach, and I Said the Students Are So Much Fun?

[Fantasy creatures + everyday campus life + alternate world + anime + light novel] Is immortality a blessing or a curse? Having survived from the age of ??? to the present, walked across glaciers, tried to swim in magma, and sampled all the world’s wonders, the immortal An Heng, who suffers from a “terminal illness,” gets a call from an old friend in the twentieth cycle of his world travels. “What? You want me to teach fantasy creatures? Me?” “Awesome! Let’s see what this is all about!” … “Only first place matters,” says the chubby little golden dragon: “I live only to claim the crown!” “Nature’s rebel,” says the all-natural deer person with antlers: “Stare (•_•)~ This thing is so fun~” “Dies in sunlight,” says the goth vampire girl with social anxiety: “…” (Did she just say something?) A wildly talented oddball from across the ocean, the beautiful young talisman master: “Does anyone else get it? Am I seriously the only normal one in my family?” An Heng, the fun-loving teacher: “My adorable students, go make some miracles!” What? School is boring? Don’t worry, your teacher is here! I’ll find you something to do! … Absurd, unhinged, and all about the antics. An immortal teacher who can’t die no matter what and is sick of living is trying to encourage his students to turn the whole world upside down~