FL felt responsible for ML hurting his ankle that she offered to cook for him until his ankle/foot healed. Typical plot for hentai but it turned out surprisingly sweet.
In the long run of the manga, I felt that it became an ad for condom. So, always wear protection kids!! Don't ever forget that.
Kimi Omae ni Shitara Ore wa Mou tsu... Nikushokuha Danshi no Junjou na Yokujou