For Nao, it meant years of suppressed guilt. Incidentally, Yosuga no Sora ends up showing such a scene four times throughout its 12 episode runtime thanks to its series structure. Going back to the point about how seasoned anime fans tend to never expect any sex scenes even from anime revolving around romance, this is largely due to the story conventions of the shoujo genre. This heartbreaking tale of isolationism, othering, and bullying is incredibly dark and disturbing to watch at times. Smith, more monster girls have fallen in love with Kurusu and are now living with him.
Yosuga no Sora. Senketsu is constantly cracking jokes and providing a sense of humor to the show. An interdimensional race of machines has invaded Earth and forced the surviving human race to flee to the ocean using giant floating cities called Mega Floats, and ever since the first invasion, mankind has developed new technologies like the Heart Hybrid Gear to combat the invaders.