Secret x Secret

Koji is a cute guy who has a crush on Chizuru, the female college student living next door.

Just as he’s wondering if she has a boyfriend, he accidentally witnesses an illicit kiss between his father and Chizuru...

Determined to put a stop to their affair, he heads to Chizuru's place alone—only to be met with a surprise:

"Shall I teach you why adults do things like this, even when they know it's wrong?"

Koji is flustered as he suddenly finds himself enveloped by Chizuru's ample bosom.

But he proves unable to resist her voluptuous body and her expert, "adult" techniques...

(Source: Melonbooks; translated)

Note: Published in Comic X-Eros #73