MTL - How Could This Cat Tease Me? - ~ Works related

[Have you become more learned today?][Accounting for the capacity of your brain, your study efficiency has been increased to 28 times that of normal.][The remaining amount of energy you have for studying today, 26 hours.][You will enter an exhausted state when your energy is depleted and be unable to obtain new information.][Please relax by using the functions within the system and restore your energy as soon as possible.]With limited energy and the onset of fatigue, the Study Monster had no time to think too much--papers to come!Had the heavens not grant me this system, the unending sea of knowledge would seem like a long night.

The Mountain Eagle launches a life-or-death chase against human traffickers, stepping into a lawless land...This is the dark side of the legal world, a crazy world built on 3 trillion in dirty money each year!Here you can buy anything you can imagine!The ones who rule this world are bankers, lawyers, accountants, brokers...They say that whoever controls the money, controls the power!When everyone tells the Mountain Eagle money is everything...When fairness and justice no longer exist...Carrying his hacks, the Mountain Eagle chooses to tear through this chaotic world!Mountain Eagle: Everyone can only live once, I may not be able to solve the problem, but I will solve those who create the problem!

Crossing to One Piece world, he became Roger’s younger brother.

Rokuhara Souta picked up a phone with a mysterious “Friendship System” installed. On that phone, he met an online friend with the nickname “Tokisaki Kurumi.”This online friend was a total roleplay enthusiast—her portrayal of Kurumi was so convincing it was almost eerie.Finding it amusing, Souta humored this hardcore chūnibyō (delusional teenager) and casually chatted with her.Since it was all fake anyway, he spoke without restraint, often throwing out flirtatious remarks just for fun.Until one day, he received an invitation from Tokisaki Kurumi to meet in person.And then… he transmigrated!In a filthy, bloodstained alley, dismembered human limbs lay strewn in the corners, the pungent stench of blood stinging his nose.Standing before Souta was Tokisaki Kurumi, fresh from a kill, smiling sweetly as she gazed at him…(Tentatively planned heroines include Kurumi, Oshino Shinobu, Military Princess(Re:Creator), Kamado Nezuko, Ereshkigal, Leticia… and more.)