"It is said that the elf who guards time writes three prank challenge letters: Darkness, Mystery, and Hope. The challenger who receives this letter must go to different times to challenge according to the requirements. Those who escape will bring disaster to their families, and the losers will stay in that time and space forever - this is the prank of time."
She is sometimes quirky, sometimes mature and steady. How can she perfectly integrate into MIT after receiving a letter of challenge from Yin?
He is indifferent and taciturn, has strong analytical skills, is proficient in piano, and received a letter of challenge from a fan. How will he challenge the wisdom of his father 007?
She is a book addict. In order to find a girlfriend for her father, she has established an intelligence network as huge as her father's. After receiving a letter of challenge from Nozomi, can she get her wish?
It remains to be seen how future generations of mit will compete with previous generation mits.