ALL CHARACTERS are over 18 and consensually

Marinette_Dupain-Cheng Miraculous Ladybug (Miraculous Ladybug and cat noir)

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and

Adrien Agreste

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Almost in their ladybug

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And cat Noir

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Posed sort of like

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Ladybug has her top part open and her breasts out, and her bottoms around her ankles (no panties)

Cat noir has his bottoms down

just The figures and the table, no BG

Yoshinori and Emilia are having sex in the shower. He impregnated her with his cum. There's a saliva string between their tongues like in the reference pic