S Rare Soubi no Niau Kanojo

S Rare Soubi no Niau Kanojo (Sレア装備の似合う彼女, translated to "The Girl in the S Rare Gear") is a Japanese manga series written and illustrated by Oumi Noko and published in the magazine Ura Sunday and online service Manga One. It tells the story of Seko Daigo, a teenage boy, and Yurina, a magical girl who comes to life from Daigo's mobile phone game Encircled Grimzelia.

Predator

 * Poison Nepenthes

Prey

 * Yurina
 * Yuki Ea

Scenario
In this chapter, Daigo, Yurina, and Daigo's childhood friend Ea battle a monster called Poison Nepenthes, which resembles a giant pitcher plant. After the Nepenthes grabs Ea with its tentacles, Yurina attacks the monster, freeing Ea, but gets caught herself. The Nepenthes then drops Yurina into its mouth, swallowing her whole.

With Yurina trapped inside the monster's stomach, unable to fight, Daigo and Ea use the mobile game to bestow Ea with magical powers. With her newfound powers, Ea fights the Nepenthes, but she too is caught by the monster and swallowed. However, using her sword, she splits the Nepenthes open from the inside, freeing herself and Yurina.

Predator

 * Imogairu

Prey

 * Nanao Haruka

Scenario
In this chapter, Haruka battles a large mollusk-like creature called Imogairu. After briefly fighting Imogairu underwater, Haruka attempts to flee to the surface, but is stopped by the monster. Imogairu then opens up a large elongated mouth and engulfs Haruka. As the monster continues to swallow her, Haruka manages to summon a new weapon using her tablet computer. Haruka then fires the weapon, freeing herself and destroying the monster.

Predator

 * Lamia

Prey

 * Yuki Ea
 * Yurina

Scenario
In chapter 16, Daigo, Yurina, and Ea are approached by a woman who asks for Ea. The woman then reveals herself to be a monster known as Lamia and ensnares Ea with her tail. Lamia saps Ea's strength by kissing her, after which she pushes Ea into a predatory mouth in her snake bottom and swallows her whole. Lamia attempts to leave, but is stopped by Yurina who wants to get Ea back. Yurina attacks Lamia, but the monster easily brushes it off and then threatens to eat Yurina as well.

In chapter 17, Lamia quickly defeats Yurina by piercing her body with her tail and then sapping her strength. She then feeds Yurina into her body as she had done with Ea. Inside Lamia's stomach, Yurina attempts to free herself and Ea, but several sharp appendages spring forth from Lamia's stomach and pierce Yurina's body, rapidly depleting her strength and digesting her. Before Yurina succumbs, however, Lamia is attacked by Nanao Haruka, an ally of Daigo and Yurina, and the blow knocks Yurina out of Lamia's stomach.

In chapters 18 and 19, Ea remains trapped in Lamia's stomach as Haruka battles Lamia, but ultimately fails. Lamia then leaves with Ea still inside her stomach.

In chapter 20, Lamia releases Ea from her stomach as she plans to exploit her ability to summon items from the mobile game

Predator

 * Hell Frogger

Prey

 * Honoka

Scenario
After invading the enemy fortress and being separated from her comrades, Honoka encounters Hell Frogger, a small frog-like girl accompanied by a giant frog monster. Honoka battles the two, but quickly finds herself outmatched. After taking severe damage, Honoka is picked up by Hell Frogger who then feeds her into the giant frog's mouth and she is swallowed whole.

A small flower bud then sprouts on Hell Frogger's head and she explains that, once it fully blooms, Honoka will be completely digested. Inside the frog's stomach, Honoka remains completely helpless as her clothes begin to melt. Hell Frogger then strengthens the giant frog by spraying him with water from her water bottle, which accelerates the digestion. The flower then fully blooms, seeming to indicate that Honoka has been digested, but the flower then wilts and the giant frog falls over. Honoka is then released from the giant frog and explains that she slipped salt into Hell Frogger's water bottle, which subsequently weakened them once they sprayed themselves with it. Hell Frogger falls over, defeated, and Honoka takes her leave.

Predator

 * King Absorber

Prey

 * Nanao Haruka

Scenario
After invading the enemy fortress and being separated from her comrades, Haruka is approached by a King Absorber, a large frog-like creature. The King Absorber and the two regular Absorbers accompanying it, quickly overwhelm her. After one of the Absorbers sap her of her strength, the King Absorber grabs Haruka, drops her in its mouth, and swallows her.

Inside the King Absorber's stomach, Haruka's clothes quickly dissolve, but she summons a new weapon that she uses to destroy the monster from the inside out, freeing herself from the monster's belly.

Predator

 * Lamia

Prey

 * Seko Daigo
 * Kirino
 * Yuki Onna
 * Lorivia
 * Medusa
 * Yamada Rinko
 * Princess Titan
 * Utsugi Ami
 * Utsugi Riho
 * Kurusugawa Mayu
 * Kashiwagi Saori
 * Honoka
 * Marimo
 * Rin Mei
 * Karasu

Scenario
As Daigo, Yurina and the others finally confront Lamia, they begin to battle her along with several other monster girls. Early in the battle, Daigo is attacked by a monster girl using a puppet that connects his movements to the puppet's own. The monster girl throws the puppet through the air towards Lamia, forcing Daigo to do the same. Daigo then lands directly inside Lamia's "predatory mouth" and she swallows him whole.

After consuming Daigo, Lamia transforms and becomes capable of self-procreation. She then injects her eggs into most of Daigo and Yurina's comrades, using them as incubators for her brood. Afterwards, Lamia is approached by her ally, Kirino, who praises her newfound power and revels in their plans for the future. However, Lamia promptly engulfs Kirino with her mouth, claiming she has no further use for her, and swallows her whole. Lamia then grabs her other allies Yuki Onna, Lorivia, and Yamada Rinko, pulls them into her mouth, and swallows them too. Finally, Lamia turns to the enormous Princess Titan and shoots out a large organic flap from her mouth, engulfing the giant. She then pulls Princess Titan into her mouth and swallows her.

After a brief showing of Lamia's power, Yurina and the others enact a plan to rescue Daigo. Yurina forcibly opens Lamia's mouth and Ami, Riho, Mayu, Saori, Honoka, Marimo, Rin Mei, and Karasu all charge into her mouth and enter her stomach. Inside, they find that Lamai's stomach leads to a seemingly infinite dimension where all the victims she has devoured are encased in crystal. There they find Daigo and manage to set him free, forcing Lamia to spit him out.

Bonus Material
In addition to main comic series, the author has produced several supplementary comics and images, many of which contain characters being swallowed or having been swallowed.