A Sister's All You Need!

Surrounded by many different kinds of company, our protagonist: Hopeless siscon Hashima Itsuki. 1st class genius and lover, the high end unfortunate-beauty Kani Nayuta. Troubled about love, troubled about friendships, troubled even in her dreams, victor of the 3 crowns Shirakawa Miyako. Brutal tax sabre, Ōno Ashley. N...