ずっとギュッてして！/ Hold Me Tight All Night, Onii-chan!

Suffering from an illness that he's had since childhood, our protagonist has always struggled to live an independent life. One day his researcher parents get a novel idea for an experiment. Will this experiment finally lead to the cure they've been searching for?

Suffering from an illness that he's had since childhood, our protagonist has always struggled to live an independent life. Having tried a number of solutions to help him get better, his researcher parents get a novel idea for an experiment. Will this experiment finally lead to the cure they've been searching for? Choose how the story plays out by making choices at key story moments in this comedy slice-of-life visual novel!