Hayato-kun's Overprotective Bias is too Much

'Would it bother you if I kissed you?' One day, an extremely handsome older man, SATO, arrives at the café where Yukino, an ordinary high school girl, works. Yukino's heart is on the verge of exploding every time she meets him! Yukino is becoming more and more attracted to him, but in fact, he's someone everyone knows...? A sweet-cyan love story with lots of love from the grown-up boys!