[HUNTC-487] Hiding from my parents, I promised to only kiss my sister. "Just a kiss... we're brother and sister after all..." I couldn't resist the promise of only kissing my grown-up sister... When I returned home after a long time... 2 (Censored)

When I was living with my sister, we were actually in a romantic relationship, trying not to let our parents know. But this relationship was wrong. Realizing that it would be dangerous if we got any deeper into it, I fled my parents' house, and our dangerous relationship came to an end. However, a few years later, when I returned home, I found my sister even cuter than before. The feelings we'd been suppressing for each other welled up, and we desperately tried to resist the urge to go back to our previous relationship...