Naisho no Ofutari-sama.

Don't you think about anything else other than food…?? Eliza is a young lady who is only interested in "food." One day, a delinquent girl named "Misaki" shows up offering "delicious local specialties" for her. Misaki seems scary, but... Eliza just can't resist those delicious snacks! (Source: Comic Cune, translated)