Pain-Driven Development = P.D.D, didn't know that (page 12). Perhaps a note would've been welcomed for this acronym, since it reappeared on the last page of the chapter.
YEAH ! The Junpei and Natsuki duo would implode, better not put them together imo.
The guy is thinking of another girl and Natsuki is thinking of him, that's too heartbreaking to read for real !
We're also witnessing how hard any job with acting can be, considering the actor's experience in life (expecially when young I guess ?), that's pretty cool.