Please Teacher!: Hello Again (V.4)

Distraught over his feelings for Mizuho, Kei has slipped into another 'standstill'. In the depths of his mind, Kei meets a phantom from his past with whom he discusses the joys and sorrows of life. Back aboard her spaceship, Mizuho must decide whether or not to break Galaxy Federation rules in order to revive Kei or risk losing him forever! The choice is made. How can Kei move forward with his normal high school life when he's missing a piece of his heart?

Episodes:
11. Teacher
12. Teacher Once Again
13. Secret Couple