I'm a bullied child who gets my mother a bullying classmate

The Mito family lives with two mothers and children while her husband is on a business trip. His mother, Kana, was worried about her son, who was a little shut-in, but recently he was happy to have a friend, Akito. However, Akito, who was hungered for her mother's love in a single-parent family, was attracted to Kana's kindness and gradually began to develop a twisted love... They took advantage of her kindness and forced her to form a relationship. Kana remembers the woman by the stimulation of the cock that goes deep into the vagina that cannot be reached with her fingers, but despite her head rejection, her body eventually becomes attracted to Akito...