Firefly

Trama

Tsutsumi Kyosuke, a 44-year-old man, is content with his marriage to Naoko and proud of their son, Takuya. His happiness is challenged when Takuya announces his engagement after graduating college. The fiancée, Himiko, turns out to be Kyosuke's ex-girlfriend from 22 years prior. Despite the passage of time, Himiko's beauty remains captivating, even to a young man like Takuya. However, Kyosuke believes Himiko has re-entered his life seeking revenge for his past abandonment, which occurred due to her perceived mental instability.