The context given by the narration strongly implies that the futanari in this story have penises and testicles in addition to their female genitals, rather than the former replacing the latter. Swapping all newhalf tags with full-package_futanari.
Girls' uniformBoys' uniformNo cockNecktieCockRibbonBoth have breastsAt Tamayuri Academy, coed classes begin in upper grade levels. Some students are likely to feel uneasy as they first get used to school life with members of the opposite sex; however, aside from minor differences (such as girls growing larger breasts, and boys having penises), boys and girls largely look the same.
We expect our students can get along with the opposite sex as easily as they have with their friends of the same sex.
Girls and boys largely share the same uniform, but to be told apart more easily, boys should wear neckties while girls should wear ribbons.Differences between "girls" and "boys"