Guidance to pupils is a breasts fondling!!
Protagonist Oda Keiyuu are very very university students of normal.
Parents are busy with business trip, Mio of sister-in-law who is teacher in educational institution【bomb breasts】 It lives alone by two people.
The initial experience is deprived by the sister-in-law at the time of drunken sister-in-law, The head doesnt go up to her since then, It was treated in the servant.
But thanks to you, ironically, the main character grew up graded well.
Though the part-time job of tutorial is recruited in detail on the bulletin board in the park in the town. Every day that did not appear continued to the student hope at all.
―― A certain day, When it wants you to teach studying before Kobayakawa Ayano who is sister-in-laws pupil tests during of the sister-in-law absence of it, it has thronged it.
Sister-in-law away, but he refused, It seems to cry that it wants you to teach studying by all means and the protagonist to cannot stand her who becomes it any longer, With the if it is good in me, To the thing that sees study as temporary tutorial.
But, she who came in in a house, Instead of it studies, only thing of the protagonist root digging leaf digging hearing it is and starts.
An amazed protagonist, when you ask why it to be interested in me, because younger brother massaged chest every day that sister-in-laws style was good, it have made it public to pupils in the educational institution.
The protagonist to be surprised to the backward glance, when she was seriously worried, she began to expose her chest.
The protagonist rise feelings while massaging the chest however, Ayano it was also identical.
【"If you know a man more......Its so, isnt it!?"】 The excitement cannot be concealed in Ayano to lie down on the bed though it says, depriving me of the virgin and make me to a woman.
After that, in several days, though the protagonist spent nervously if it doesnt Become exposed the true to the sister-in-law, that in her having succeeded in the bust improvement, the friend until is taken along, it comes again, and done.
After that if the chest is massaged girls of the question various one are SEX until tangles to the protagonist, of becoming exposed the true of sister-in-law either.
You do not know and whether even among such knowing the hardship of the protagonist, Girls of the pupil hope that hears of the rumor of the bust improvement show up.
Really Is the protagonist how becomes and doing? And is thinking to a severe bust improvement of her accomplished?!?