Mother and child bathing incest

Maya has divorced her husband and lives with her son, Takumi. The two lived together and supported each other, but one day Takumi suddenly shut himself up in his room instead of going to school. Maya, unable to see Takumi not even taking a bath, invites him to take a bath with her, but... Maya is relieved to see Takumi smiling again after taking a bath with his mother for the first time in a while. However, just as she was thinking of waiting until Maya told the truth without hearing the truth, Takumi's classmate, whose face was covered in mud, visited Maya...