Anal Mama -Ushiro no Ana wa Musuko Senyou na no | アナル＊ママ ～後ろの穴は息子専用なの

Ayumu and Touka are son and mother-in-law.

A certain day... Ayumu to which the sex education is accepted in school, it asks Touka about the sexual intercourse. It has stolen a glance at father and mother-in-law's sex act. [Is it pleasant? Put such a thing in Touka... Touka-san and papa is it not painful?]

In the serious question, Touka which wanted to answer without giving ambiguous, first of all the knowledge of Ayumu is confirmed.

(So. Ayumu-kun, have it done?)

Naive Ayumu doesn't include that sort of experience, [Um... It is masturbation, right. No it is not.] (Is it so? Ayumu-kun you see. Having said if it is really pleasant sexual intercourse a little while ago? When masturbating, it is possible to become having sex is similar to. Therefore, try a little bit.) [No, no way... because...] (All right is safe all right is safe. Only because of becoming pleasant. Yes, it stands. Because i do, right?)

Touka whispers so...