Artist's commentary
Poi-chan sensing something dangerous
My region is a day behind, so I haven't seen the fifth episode yet.
With Fubuki's support, Mutsuki was able to overcome her grief, leading to the two building a strong bond between each other.
Perhaps due to that, the two ended up flirting more than necessary, very much on the verge of crossing the line.
Sensing a crisis, Yuudachi decided to forcefully intervene, to protect the morals of the naval base and direct them away from the wrong path――
How I would've liked to see something like that! (Spoiler alert