"Congratulations on your graduation, it's been 5 years since we started...," I've been in a casual relationship with my son's friend, Kitayama-kun, for 5 years now. It all began 5 years ago when I found out my husband was cheating. Kitayama-kun comforted me with gentle kisses when I was feeling down. We waited until graduation day to start our physical relationship, not wanting to interfere with our exams. Over the past 5 years, we've been sneaking around, but now that Kitayama-kun has a girlfriend, our relationship is changing...
