“Teacher, why do you always take off your ring at school? - ' I couldn't hide my agitation when I heard the words of my student, Shinichi-kun. - The relationship between our husband and wife may have cooled ever since that day when I chose work over him when it was decided that my husband would be reassigned to live alone. - Shinichi-kun, in contrast to my cold husband, turned to me with warm eyes. - Of course I knew it was a bad idea. - Still, I couldn't turn my eyes away from Shinichi-kun's honest and pure feelings...