One day, you are called aside by that pretty younger girl that you've had your eyes on. She confesses to you and without so much of a thought, you accept. Then smiling from ear to ear... she thrusts her huge and erect dick before you.
Saki Minase has practiced aikido since she was young, and her proud, yet cheery attitude has won her the adoration of many. But it has also won her the lust of more unscrupulous types...
My childhood friend Hinata has kept being obedient to my requests since long before. Out of curiosity I tried to check her limits, but she accepts even my request for sex.
Tawawa's Bands-chan's first in-school sexual experience! She gets super aroused by the immoral situation! Urinates from the classroom window! Gives a tit job! Climaxes from intense sex!
With a modified common sense, a childhood friend girl goes into sexual acts and a boy observes it. Their lives go on despite some strange feelings in their hearts.