Son of Mine Series

Written by, this story begins just where the second half of the 12 part OAV leaves off, and covers the introduction of Masaki Murakami's son, Kenji, as well as the boy's subsequent kidnapping by Richard Guyot and induction into Chronos. Several new concepts were introduced in the first story, such as Chronos' anti-espionage corps of female Zoanoids, as well as the rankings and secondary powers of the Council of Twelve.

In addition to the standard Guyver tropes, the stories themselves also inroduce a slew of tropes all their own.

Link to Son of Mine.

Tropes in Son of Mine:
 * Alternate Universe
 * Car Fu (Second variation; Masaki lobs them at Guyot while the two of them are fighting in Takeshiro.)
 * Cheerful Child (Kenji.)
 * Children Are Innocent (Kenji, for the most part.)
 * Cosmopolitan Council (The Council of Twelve.)
 * Cute Monster Girl / Petting Zoo People (Female Zoanoids are a great deal more humaniod than their male counterparts.)
 * Destructive Saviour (The Guyvers and Chronos can both be considered this, depending on whose side you take.)
 * Fan Verse (Comprising three full stories and a flash fic to date)
 * It's More Personal (After Guyot kidnapps Kenji, Masaki's grudge against him goes Up to Eleven)
 * Kid Fic
 * Knight Templar Parent (Imakarum starts down this road at the end of the first story, and eventually becomes this entirely.)
 * Man Child (Kenji becomes this after he goes through processing.)
 * Mental World (Alkanphel and Dr. Balkus both spend time in Kenji's; and, it is implied, Masaki's)
 * Mes a Crowd (Aptom and his clones/others)
 * Missing Mom (Miaka)
 * Morality Pet (Kenji is this for Imakarum; subverted in that it doesn't actually make him good, just a bit less crazy.)
 * Papa Wolf (Masaki Murakami - and, by extension, Imakarum Mirabilis - is this from the beginning.)
 * Plot Relevant Age Up (One of the actual plots in the story itself.)
 * Posthumous Character (Miaka Murakami, killed in a house fire.)
 * Revenge By Proxy (Guyot decides to take this on Murakami. Relates to I Have Your Son.)
 * Spell My Name With an S (The stories use the 12 part OAV's naming sceme, despite the existance of the 2005 TV series' more correct translations.)
 * What Could Possibly Go Wrong (Masaki figures Kenji will be safe in the forest around Chronos' Mt. Minakami base, since as far as he knows, everyone in the company thinks Kenji is dead)
 * Younger Than He Looks (Kenji, post processing)

The next story in the series opens with the creation of the titular Fifth Guyver, and the story also continues the acclimation of both Imakarum and Ingriam to their new positions within the Chronos cabal.

Link to The Birth of Guyver V

Tropes in The Birth of Guyver V:
 * Affably Evil (Alkanphel and Imakarum both have elements of this, though Imakarum is markedly less so.)
 * Beware the Nice Ones (Ryan and Sho are both some of the nicest, gentlest people you could hope to meet - though Ryan less so than Sho - up until the point where you make them truly angry; then you die. Quickly in Sho's case, and more slowly and painfully in Ryan's.)
 * Combat Pragmatist (Both Ryan and Agito embody this.)
 * Daddys Boy (Ingriam to a T.)
 * Deadpan Snarker (Ryan Crouger tends to be this.)
 * Determinator (Ryan and Sho both; once they have something to fight for, they're well-nigh unstoppable.)
 * Disappeared Dad (At the end of the story, once he no longer feels that he has a place in his son's life - due to certain circumstances - Imakarum withdraws into his own work, leading to full-on Parental Abandonment and Zektor's Promotion to Parent, which he takes incredibly seriously.)
 * Double Consciousness (A more litteral case than most, as Ryan gains this near the rough middle of the story, then has to adapt to it.)
 * Friend to All Children (Zoanoids, oddly enough, have a tendancy to be this; culminating in Team Five's unofficial adoption of Ingriam Mirabilis.)
 * Good Is Not Nice (Ryan is one of the more even-tempered versions of this. Agito is the standard version.)
 * Green Eyes (Ryan has these.)
 * Groin Attack (How Ryan deals with Imakarum when they first meet.)
 * Hot Mom (Elegen says this about Ryan's mother.)
 * Overlord Jr (Ingriam/Kenji practically idolises his father, doing whatever he can to please him.)
 * Person of Mass Destruction (Ryan Crouger, the Fifth Guyver; and, to a somewhat lesser extent, Kenji Murakami.)
 * Phlebotinum Rebel (Ryan, like the rest of the Guyvers, is empowered by a Guyver Unit; though, in his case, he found it underground in a cave.)
 * Redheaded Hero (Ryan Crouger himself.)
 * Red Oni Blue Oni (Ryan and Agito; guess which is which.)
 * Shonen Upgrade (The Giga Guyver unit; also counts as Imported Alien Phlebotinum)
 * So Proud of You (Imakarum to Ingriam, whenever the latter does something particularly noteworthy.)
 * Split Personality Takeover (A very brief one near the end of the story)
 * The Unfettered (Ryan Crouger; likely Agito Makishima as well.)
 * Trash Talk (Ryan frequently indulges in this.)
 * Zerg Rush (Enzyme IIs, and later IIIs, fight like this most of the time.)