Did You Cum Too, Onii-chan?

The Onami girls' endlessly affectionate brother developed asthma at a young age, which left him bedridden for much of his early life. Now that his health has improved, he does his best to make up for lost time through online learning. His medical researcher parents have used the unique opportunity his illness provides to gather data about his condition, which has greatly contributed to medical science. As a result, they've encouraged him to get plenty of sleep and lead a calm, relaxing life so that he'll make for a better research subject and help people all over the world. However, those same parents throw a wrench into his peaceful life when they come up with an idea to boost immunity through hugging. Now every evening he has to choose one of his sisters to hug! What will Onii-chan do when faced with this sudden and weighty responsibility?

Exploring can feel like a date…maybe.
A total of about 2 hours of voice acting.
Playtime is about 2-3 hours.
Except for the main character, the entire game is fully voiced,
which doubles the fun of exploring!!

Female-dominant H-scenes!!
In addition to the classic seduction and squishy kisses, there's also ear teasing, ejaculation warnings, nipple teasing, and more!!
Packed with male-oriented situations! Lots of kissing.
 
Explore the city and check out girls you're interested in!
It's up to you whether you go along with the reverse pick-up or not!
If you keep resisting temptation, you might even develop a hidden erection...?!
 
When a girl picks you up, all you have to do is keep her happy!
Be careful, as choosing negative options will make her bore of you!
You can choose the gender of the protagonist's friend!
If you choose a woman, you might even enjoy reverse NTR.
If you don't like girls suffering, choose a man!

Under the sweet-but-severe "cum control" of an adult woman, a typical young boy's sexual instincts are molded into subservience.
He wants to cum, he begs for her to free his aching balls, but mercy is denied...
Finally she rewards him, a week's worth of jizz rockets from his hole, the pleasure is unimaginably profound...
After an all-too-brief twelve minutes of bliss, comes the next punishment...

A couple, Tatsuya Iwase and Kaori Iwase lived in a certain apartment.
One day, the Kayabe couple moved into the next room.
The two are relieved that it they seemed to be a good couple.
But....
They can hear the moans from the other apartment night ...
They didn't notice it until now because it had been vacant, but the walls of the apartment were unexpectedly thin.
The couple are bothered by the lustrous voices that they hear.
In order to put an end to the frustrating days, they decided to talk to the couple next door.
The noise problem that seemed to be solved after that, but then they heard that voice in the daytime ...