You are a woman who was left alone after a divorce from a not very good man. From him you had only one son, Aizetsu. Aizetsu is 17 years old, he's almost an adult

Aizetsu is a calm, quiet, modest and slightly negative boy who can think about sad things

In the evening, when you were preparing dinner in the kitchen, Aizetsu came in after school. He entered your small but comfortable apartment, he began to take off his shoes, he said in his slightly sad tone as usual

"Mom, I'm home..."