Please Teacher!

Kei Kusanagi's life takes an unexpected turn when he encounters an alien officer, Mizuho Kazami, by the lake. She's not only an extraterrestrial but also his teacher, a revelation that complicates their relationship. As they grow closer, romance develops between them, but their bond becomes a secret when the school's principal discovers their relationship. They decide to get married to conceal their union from both their school friends and the Galaxy Federation.