Akari and I had an ambiguous relationship, neither boyfriend and girlfriend nor sex friends. We were part-time co-workers with no strong romantic feelings for each other, just casual sex whenever we felt like it. During the self-restraint period, we talked over the internet, but our feelings changed when we couldn't meet, even though we were sex friends. Akari wanted to see him, and the man discovered romantic feelings for her. This ignited Kokoro and perverted nature, so he forbade Akari from masturbating and began "remote training" her...