Zenbu Zenbu Kimi no Sei

The sequel to It's All Your Fault, serialised in Dengeki Maoh! There's a transsexual syndrome where feeling a flutter causes one's gender to switch. Sagimiya Ryou and Mikami Nagisa, both possessing this condition, find themselves drawn to each other and become lovers. Several years later, Ryou, now a university student, and Nagisa, who has become a teacher, begin their long-awaited life living together, spending their days all lovey-dovey.