I, a 30-Year-Old Virgin, am Embraced by a Man for the First Time

...There, look at that. It's all the way in. Can you feel it? As he gently caresses my body, I notice how wet I'm getting... But this is nothing more than a practice session! I can't let myself get carried away... Aah! Enter Rika, still a virgin at the ripe age of 30. One day, her boss makes an unwanted advance on her in the women's restroom. Unable to resist, she loses all composure at the sound of his panting voice... "Are you turned on?" But then, just as he closes in to silence her cries, the young janitor Takahiro steps in to rescue her. Afterwards, he approaches a sobbing Rika with an unexpected offer: "Why not get used to men by using my body?" ...What do you mean by that!?