Requiem from the Darkness/Headscratchers

< Requiem from the Darkness

Episode 8: "YOU JUMPED INTO A SWORD! YOU RETARD!"
The one sided romance between Ogin and Momosuke seemed random and to just appear suddenly one episode. Although it's understandable, and Ogin returning it in later episodes seemed just as random, if not more so.
Brief question: Can Ogin actually fight?

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