Harapeko Oyako to Motokare Yanushi

After graduating from art school, 36-year-old Takaharu has been living a quiet life, alone with his paintings. Until one day, when Kyou, his ex-girlfriend from 17 years ago, suddenly shows up with her daughter Minori, begging him for a place to stay. Just like their college days, Kyou loves his delicious cooking, as the three of them begin a new life under the same roof…?

(Source: Comic Fuz, translated)