Akishigure - Ojou-sama to Niwashi

Were you expecting it to be this wet? Young lady...'' Natsu, a tomboyish girl, was born with a weak body and spent all day at home. She was surprised by a loud thud and looked into her garden, only to find a well-trained and strong young man there! ? Natsu asks the young man, who calls himself Touya, to talk to him in secret. Although their social status is different, as they interact, a special feeling develops between them... One day, Natsu was captured by her hot gaze like the summer sun, and his lips were taken away...?
https://www.cmoa.jp/title/278666/