Ishuzoku Kyoshoujo Sextet!

Touru is the top honor student at a prestigious academy for adventurers, and his exceptional academic record has earned him a rare opportunity to study abroad. Upon arriving in the foreign city, he experiences an unexpected reunion with Nikka, a childhood friend he hasn't seen in years. However, the girl he remembers as an ordinary human turns out to be anything but—she is actually a towering giant descended from an ogre lineage. Everything in this new metropolis operates on a massive scale. Nikka alone stands a full hundred centimeters taller than Touru, and the sheer size difference makes navigating daily life a constant challenge. To complicate matters further, he soon discovers that every single one of his new classmates is female. Even without any intention on his part, the dramatic height gap means that fluttering miniskirts are an unavoidable part of his everyday surroundings. Thrust into a world where everything and everyone dwarfs him, Touru must adapt to his extraordinary new environment. Armed with his sword and sorcery, he navigates the trials of his academy life in this lively, fantasy-driven school harem adventure.