Starting With Contract Pets - Chapter 265 - Aliens, Blue Planet's Secret

~ Erothyria is a world where depravity and fantasy collides ~ And this world is where Dagwood Ackley was thrust into! After picking up the rejected video game called ‘The Daughters of Eros,’ Dagwood is reincarnated into the game and is reborn as a son of Eros! But...it is impossible! No Mother is allowed to begat a son! He takes the identity; Aeric of Starlight, and gains extreme beauty and charm as the first and only ever son of the God Eros. But what is his task? Ding! [Claim all the wives and daughters of Eros] Ding! [Defeat the Goddess of Lust and Claim her!] Ding! [Build a harem of Queen Mothers and daughters and take over the Throne of Eros!] With the Celestial Depravity System, Aeric becomes the most sought after male in all of Erothyria, but he must defend this land from the evil dragons and titans, and in the end, [Claim] it all for himself!

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume

After dying prematurely from an incurable disease, Yuka Hikano finds himself in a mysterious realm filled with endless doors, each concealing divine gifts from powerful deities. He is not alone—others who have met the same fate of death stand beside him, unaware of the trials that await.They are put through various tests and eventually transmigrated into different worlds. But these worlds are nothing like the Earth they once knew.For Yuka, however, this apocalyptic world feels eerily familiar. It is a realm of endless war, devastation, and chaos—a world he once played in a game. Certainly not the kind of place one would wish to be reborn into.From infancy to adulthood, he must gather strength, knowledge, and allies to survive the horrors that lurk ahead. But when he awakens a system granting him a power beyond imagination, he soon realizes that blessings can also be curses.[You have gained Infinite Mana.]Infinite Mana...?What could possibly go wrong?

[The 3000th Descent of Mystery is about to begin.][This is your only chance to redeem yourself.]When the whole world was in danger, Wang Teng activated a unique talent.It was the Rank SSS talent - Inequivalent Exchange!He was not purchasing things for free, but the exchange was not equivalent.[Exchange successfully. You used half a bowl of cup noodles. With your Rank SSS talent, you may retrieve an unlimited supply of cup noodles.][Exchange successfully. You used a bottle of Sad Breeze wine to exchange for the Star Shifting Method.]…From then on, Wang Teng activated a new exchange system.