Reincarnated as the Baron's son: My Infinite Card Upgrade System - Chapter 17: Baronial credit.

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

I really want to become stronger!

Ding! Congratulations to the host for binding to the Myriad Realms Mission Upgrade System and starting the journey of becoming stronger.

What? You said S-level ninjutsu is rare.

Ding! Congratulations to the host for obtaining the Immortal Technique? Dayama Rasengan.

What? You say the admiral is very strong? Ding! Congratulations to the host for defeating Admiral Akainu. The Clear Sky Hammer is the strongest martial spirit! What, that thing can still kill people? I have Emperor Yan that can burn the sky! What, that thing can still burn people to death? System, I want to be the big boss. Ding, congratulations to the host for becoming the Digital Emperor. System, I want a Zanpakutō. Ding! Congratulations to the host for obtaining the most powerful Ice Emperor Pill. “How do you practice? How do you practice so fast.” “Sorry, I am a genius.” My name is Xia Muyang, a person who thinks about wandering every day. I am not in the world, but there is a legend about me in the world.

Main characters: Natsume Yo, Wada Chiba,

- Description from novelbuddy

After being married and in love for five years, everyone praised the Third Imperial Concubine as both virtuous and magnanimous for her willingness to accept all of her husband’s beautiful concubines. However, behind her back, they mocked her for being a useless woman who hadn’t borne any children for her husband yet.

After reincarnating and returning to the harem, Xiao Wan decided to be ruthlessly tyrannical and not be lenient to those who offended her. She would stay on her guard and find a new husband.

However, can someone tell her who this shameless man was? He was formerly the most honorable yixing1 prince in Dong Ming. However, he tossed aside his kingship to become a merchant and quickly became the wealthiest person in Dong Ming.

1 Prince who has a different last name from the Emperor. He is not a prince belonging to the Emperor’s clan.

- Description from Novelupdates

In The Swordsman, I am Yue Buqun! In Legend of the Condor Heroes, I am Ouyang Feng! In Tianlong Babu, I am Ding Chunqiu! …In Datang Shuanglong, I am Shi Zhixuan! …I am me, a big villain boss who walks in the heavens!

 Swordsman, The Legend of the Condor Heroes, The Eight Parts of the Dragon, Little Li Feidao, The Legend of Double Dragons of the Tang Dynasty, Fengyun, Zhuxian, Yangshen, Shading the Sky, Perfect World, Eternal Life…

- Description from novelbuddy