Nico user-added tags include "Type 99 Carrier Bomb Boobs"¹, "Walk the talk"², "Loose lips sink ships → im9082633"², and "To Pixiv for image variations"³.
1. One of Souryuu's fan nicknames. Reference to her second secretary line, "Uh, um, my Type 99 carrier bombers will fall out... (if you do that)", which can be read as a double entendre. Note that "Explosive Boobs" is also Japanese slang for gigantic breasts (i.e. breasts that are large enough to seemingly explode out of clothes).