Longtime Enemy! The Finisher Fist of Our Elder Sister - S1.E6

Katsumi and Isami were both looked after when they were younger by policewoman Kaoru Komaki. After a long time of being absent in their lives she finally returns to Ayaka City. However, their long-awaited reunion is cut short once Kaoru is kidnapped and trapped within the kaiju body of Mecha Gomora…