Data Collection With Professor See-Through

When Satou starts studying at a new academy, he’s appalled to find out his class has been assigned to Mr. Tsutamoto, the most intimidating teacher on campus. However, the longer Satou stares at Mr. Tsutamoto’s thick body hair and huge muscles, he realizes he might be feeling something different. Not long after, to his surprise, he finds an alien who has fallen to Earth! And, strangely enough, the alien is just as interested in Mr. Tsutamoto’s body as Satou…

(Source: IRODORI sakura)