The apex of the joke needs translating,what is it exactly that is being pointed out about the commanders' clothes.
It are AN-94's usual clothes being worn by the Commander.
We got a call from the girlsAren't you tired, commander?I'm turning on the lightUm......Go awayAk-12 is asking if I am with you?Ah... AN-94?long sleeves...Your back...Over there...Never thought we are going to use the water battle armor like this...An-94, just come out for a second...Let's just talk in personAh, Commander, your chest...It's all going to be seenWhy? Did anything happen?What are we going to do...Where is commander?No... I want to be left alone...AN-94... just come out...Did you set the alarm?...Don't lie to meHow long did we do last night?Yeah. At 6amDid you sleep well??What should we do?Beach...It's the first time since I was in middle schoolYou're saying you're gonna sleep when you are this wet?Yeah...
We gotta change and go out real fastMe too??!An-94... Why are you so la...How many years is that?No I'm not...It's the first time for me ever since I was bornLet's just wear that blue long sleeve we bought last timeThanksSo An-94 cannot sleep as wellWhat do you mean, you're not?Ang~No I'm not...I'm going to sleep nowSee?N...No...You know what I hate the mostCome out, it's okayHmm?Fuck...I think we missed the alarmI don't know... till 3 in the morning?Are you going to make my bed into a beach?That's okay. I can just sleep on the busYes?Yes...No..This is because you just touched meI'm alright since I'm a T-Doll,But the Commander might feel embarrassed, so I need to be with her...