Cassandra Truth - No matter how many times Haruma and Momoko try to correct certain people that they are not robots, they're still believed to be robots. Haruma has it worse than Momoko, as seen on his tumblr page.
Cast Full of Pretty Boys - It doesn't matter where you look, you will not be seeing anyone who's less than pretty. Hell, even one of the girls can be considered a pretty boy.
Fake Twin Gambit - Eli pretended to be his own twin on the night of the Halloween Event while Zyera was (unwillingly) dressed up as him.
Fan Preferred Couple - Among the nearly eighty pairings, Yukeli, Disaya, Alfoko, and Souzy are the ones people support the most in the OOC, likely because they all have a decent amount of ship teasing in their posts.
Finger Poke of Doom - Thanks to Leif's Superstrength, just a single poke of an object with her finger will make it crumble to pieces. Xanthias could also make a poke to the cheek feel more like a punch if he isn't careful.
Go Look at the Distraction - In an attempt to clear the students out of the building where the Guardians vs. chimeras fight was taking place, Suzy decided to come up with the excuse that Yukina was giving free hugs and kisses outside. Unfortunately, that just pressed Yukina's Berserk Button which sends her into a bit of an Unstoppable Rage.
Instant Cosplay Surprise - none of the Raishonettes expected to find themselves in cosplay during the Cosplay Event in 1.0
Instant Fan Club - you have a fanclub for each of the Guardians, a fanclub for Alf Lenhart, and so on.
Intimate Healing - Kissing is the most effective way for Eli to heal someone since the area his power comes from is his lips. Xanthias can also choose to be intimate with his healing touch, but he'd really prefer not to.
Opponent Switch - Yukina goes from fighting her anti-self to fighting Anti-Helios, Eli from his anti-self to Anti-Xan, Suzy from her anti-self to Antikane, Akane from her anti-self to Anti-Yuki, Xan from his anti-self to Anti-Dio, and finally, Dio from his anti-self to Anti-Suzy. And this is all part of their formation plan.
Plenty of Blondes - Eli, Suzy, Ash, Artemis, Kazari, Souma, Karma, Riku, Ember, and Anya all have blonde hair.
Reference Overdosed - look at all the anime/visual novel/light novel references that are made, especially in Takeshi's speeches!
Running Gag - the Ishiyuki siblings being speculated for robots thanks to Deborah. Haruma seems to have it worse than Momoko.
The Foursome myth has come up quite a lot amongst the NPCs, appearently.
DON'T FORGET THE DOLPHIN PORN. THANK YOU, TAKESHI AND DEBORAH.
Ship-to-Ship Combat - Shipping wars, unbeknownst to the player characters, are always being fought by NPCs.
Shrouded in Myth - After the Halloween Event, the NPC students at Raishon believe that the Guardians have a foursome with each other. They also think that Eli is gay for Shinji because they saw Zyera (dressed up as Eli) leaning against Shinji.
Between Alistair's blue hair, Shinjiro and Tomoko's purple hair, a multitude of albinos and a stock of redheads, Raishon's got the entire rainbow attending! However, it's kinda justified in that several of the cast members dye their hair.
Inverted by our Brunettes, Blondes, and blackettes.