Kei and Mizuho are bombarded with hardships as their love is tested again and again. Misunderstandings, petty bickering, and jealousy rock the relationship foundation of the interstellar teacher and this common earth boy. Admitting one’s love is merely the first step and will be challenged throughout time. Find out if Kei and Mizuho have what it takes to live happily ever after in the second and final volume of Onegai Teacher.