A Main Character

Frogika
Frogika is an amphibian replica of "Monika", from Doki Doki Literature Club. Frogika is a female frog poster girl of the literature club. The protagonist, which is you, describes her as smart, pretty, and athletic as also described in the original Doki Doki Literature Club game.

Appearance
Frogika doesn't wear any clothes, but she is a real frog in nature's history. Frogika is a green frog with white speckles on the belly. If you want to learn about the real Monika's appearance, it's right here:

Salyori
Salyori is an amphibian replica of "Sayori", from Doki Doki Literature Club. Salyori is a female salamander Vice President of the literature club. She was the protagonist's childhood best friend (Or I could say larvae), and the protagonist says he will not join her club, but does anyways as Salyori convinced like in the original Doki Doki Literature Club game.

Appearance
Salyori doesn't wear any clothes, but she is a real salamander in nature's history. Salyori is a faded white pastel salamander with external gills. If you want to learn about the real Sayori's appearance, it's right here:

Newtsuki
Newtsuki is an amphibian replica of "Natsuki", from Doki Doki Literature Club. Newtsuki is a female newt member of the literature club. She is a tsundere and bakes pastries like Natsuki, but the protagonist hates her and Newtsuki makes earthworms covered in frosting, similar to cupcakes.

Appearance
Newtsuki doesn't wear any clothes, but she is a real newt in nature's history. Newtsuki is a vermillion sunset colored newt with yellow eyes and black pupils. If you want to learn about the real Natsuki's appearance, it's right here:

Toad
Toad is a mario character replica of "Yuri", from Doki Doki Literature Club. The creator, Onee-san Inc. (Aka Steve) couldn't think of an amphibian and made up name to put in the Croaki Croaki Literature Club game, so he used Toad as a character. She is the only girl the protagonist likes.

Apearance
Toad is instead a purple mushroom headed version, and wears a purple coat with white shorts, originally. If you want to learn about the real Yuri's appearance, it's right here: