Manga Like Ore no Haitoku Meshi wo Onedarisezu ni Irarenai, Otonari no Top Idol-sama

The "meddlesome" high school boy Mamori Suzufumi helps a starving neighbor who had collapsed outside the door of her apartment one day. That person turned out to be the popular high school idol, Sasaki Yuzuki! Yuzuki had been on an excessive diet to maintain her ideal idol image. But when the worried Suzufumi offers her some homemade cooking, she eats it with gusto, while crying, "—Aaaaaah… I can’t take it anymore!" When she finished her meal, her face was full of happiness. Falling in love with her hearty appetite, Suzufumi decides to tempt Yuzuki with her favorite foods to make her fall for him through "food seduction." Pork on rice, ramen, okonomiyaki— "I'm not going to eat it!" That’s what Yuzuki always say, but once again, she finds herself craving Suzufumi’s cooking today— (Source: MF Bunko, translated)