The Extra Who Shouldn't Exist - Chapter 22: The Night it Happened

An RPG gamer who played the realistic VRMMORPG ‘The Amber Sword’ for years, finds himself teleported to a parallel world that resembled the game greatly. He takes on the body of an NPC who was fated to die, and with the feelings of the dying NPC and his own heartrending events in the game, he sets out to change the fate of a kingdom that was doomed to tragedy.

- Description from novelupdates

When The Cute Kunoichis Spied on Their Teacher's Secret is a light novel written by Kazuma Kamachi and illustrated by Ryuushi Tajima.

The story takes place in a world where Japan never ended their isolationist phase, and agents from foreign powers are always threatening to steal the country's advanced technology. In order to combat this threat there has been a resurgence of ninjas that use Strategic Martial Arts, techniques that combine cutting-edge modern technology with a traditional foundation of martial arts and ninjutsu. The story follows Souha Sugiyado, a 17-year old ninja instructor and former ninja prodigy who was forced to retire from active duty by the wounds he suffered in his last mission. Souha's four students are all kunoichi who have all gained the rank of Elite Ninja, the highest official rank available to ninja. However, one day two Shogunate ninja approach him with the news that his four students have gone rogue and have stolen a portable modular nuclear reactor, and thus they ask for his help in bringing his students to justice.

Inventory of Heaven’s Way Comes Pirates, starting from Judiciary Island, counting ten high-burning team battles

no10 Judiciary Island——Pursue the Flower of Hope in the Frustration and Pain

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No8 World of the Strong – The Tragic Life of the Golden Lion

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no6 Luo vs. Bai – the confrontation of legendary overlords in the distant past

no5 fanatical action – the peak confrontation between the old generation and the new era

no4 red-haired diva—red-haired diva’s dad

no3 Valley of the Gods – the world-shaking battle that disappeared in history

no2 top war – the end of the old era

no1 Ghost Island War – Witness the Awakening of the Sun God

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- Description from novelbuddy

I Became Hades, the God of the Underworld from Greek and Roman Mythology