Whose Sick and Weak Commander Launches a Mecha to Kill Everyone?

Interstellar, apocalypse, no cp, group portrait, heartthrob On the opening day of the Federal Military Academy, the shared forum exploded. Burst! Is that person from the Ji family really here? "Don't just faint on the playground on the first day of military training. That would be a big joke." "She's in the healing department, right? She's a daughter of an aristocratic family and has a diploma." No one thought Ji Yu could withstand the iron-blooded training of the military academy. Unexpectedly, two days later, the forum exploded again. [Is the command system also very powerful? The first hot comment: "Who hasn't been 'friendly and guided' by Senior Sister Ji?" Ji Yu replied: "I'll be there soon ^_^" In Star Era 8305, pollution sources spread in the IV galaxy. The defense line collapsed and the Federation was in crisis. All members of the military academy went to the front line. That battle was later written into textbooks—— The first position of the tactical signature is Ji Yu. (My abortion ABO setting: Alpha, Beta, and Omega are all fertile, but it is extremely difficult for Alpha to conceive; the pregnancy probability of Beta and Omega is at a normal level, but the nutritional conditions that Beta can provide to the fetus after pregnancy are not as good as Omega) (Demining: no cp, the heroine is not an upright protagonist in the broad sense)