Story
Episode 1 Keiyaku Shite ♥ Shite ♥ Natsumi Kusunoki does door-to-door sales and ends up in Kamono’s place. She’s selling “Cockzilla D” which is a sex supplement with the line that there’s a free experience with the sample, so Kamono takes what’s offered. Teryouri to Koigokoro Chizuru is 10 years younger than Haru and was raised with him as siblings. She had a weak body and would be in and out of the hospital, and she has met him for the first time after a long time. Chizuru confessed her love and they then exchange their love.
Synopsis via AniList (English).
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