After suffering a fall from grace, a photographer returns to her hometown and bumps into her childhood friend — rekindling an unfinished romance.

Ai studied abroad and was ordered by his father to continue his studies in Thailand and meets Nai, with whom he falls in love at first sight.

The students of class 3-E have a mission: kill their teacher before graduation. He has already destroyed the moon, and has promised to destroy the Earth if he can not…