Synopsis: Tenshi no Okusuri!

Angel of Medicine! / 天使のおクスリ！ / 天使之药 Yuito is just your everyday, run-of-the-mill high school student… until he meets Rilnel, the Angel of Medicine, who gives him superpowers! And not just one - she's chosen Yuito as her test subject for all kinds of experiments! (Source: Mangamo) Original Web Manga