A mother who lost her pride after being fucked by her son's classmate

Rin has been watching her son grow up healthy. He has overcome his rebellious period, is able to study, and is also a good friend Takeshi. One day, Takeshi came to visit his house for the first time in a while. Takeshi, who had been in love with Rin for a while, somehow ends up taking over Rin's weakness. After his long-standing feelings have gone wild, Rin is threatened by Takeshi, who has gone wild with him, and offers him his own actions...