Sweet Heart - Idol ★ Clinic - Koi no Kusuri de H na Shohou

The protagonist is working as a pharmacist exclusively dealing with showbiz. One day, a young new idol, Yuzuka, comes to get a throat medicine. During that time, he learns that she has stage fright and vows to make a cure for her.
Afterwards, she comes running back to him and starts crying. It looks like she made a mistake during the recording. In order to calm her down, he gives her the medicine he's just made and it seems to work. However, Yuzuka appears to be feeling a little bit strange...?