Based on the Graphic Novel.

Tatsumi Hamada who is now Godzilla, a Titan Shifter, He's a King of the Monsters must face his enemies with his Allies: Night Raid, Jaegers, Team RWBY, and Humans along with the Military formed the Alliance known as MONARCH and Species Alliance between Humans & Faunus & Kaijus, they will face their enemies known Salem's Inner Circles.

(This is the first phase of Godzilla: The Fate of the Multiverse)

Godzilla: Aftershock - Season 1

Godzilla alongside Team RWBY will face his old rival who killed his Father (Dagon) named M.U.T.O Prime, When Godzilla Reincarnated as a Human named Tatsumi Hamada Alongside with Night Raid to fight the Empire. His Imperial arms/Teigu Gojira is hidden as Incursio, Will He reveals his Identity to them with his Form?

Godzilla: Aftershock - Season 2

This story takes place after the event of Season 1. After the MUTO Prime's defeat, All the Kaijus known as Titans hidden across the world But Monarch Is Formed for research & Search for Titans, But the new threat came to their old rivals come to their conflicts.But for frenemy All the times that the Titans are hidden As humans but they're going to reveal themselves but years later Tatsumi known as Godzilla disappeared without the trace as for him, He's seek out to find some answers about his past and his parents while dealing his frenemy Kong. But for Akame, She took a vow to find a way to turn him back into human again, but first She must find herself for some answers for Who she is Whatever if She's the Queen of The Monsters or was it. Team RWBY and Their Allies are dealing with the new Creatures Known as Grimm, they came back to life following the defeat of MUTO Prime. Will they solve the mysteries of the Titan's Existence?

Godzilla: Aftershock - Season 3

This story takes place after the event of Season 2. The Series and Kaiju War has come to the End, but then When The Legends have been awoken, Tatsumi and his Allies must band together to stop the Salem's Inner Circles including Atrox Army and evil Imoogi identified as "Buraki" that will use the power of Yuh Yi Joo that will transform into Celestial Dragon to destroy the world. But Wave is Good Imoogi hidden within his Teigu. He is the only one who could protect the universe, Akame has Dragon Tattoo on her shoulder Forcing Tatsumi to protect her at all cost. Can they save the Remnant from their Perils?

Tatsumi is Godzilla and Akame is Mothra, This is AU or Monsterverse. This contains Harem (Tatsumi x Akame, Tatsumi x Mine, & Tatsumi x Esdeath)