Monster Musume Harem wo Tsukurou! - Chapter 13: Preparation, Travel to the forest

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates

Kōdo Ikusei Senior High School, a leading prestigious school with state-of-the-art facilities where nearly 100% of students go on to university or find employment. The students there have the freedom to wear any hairstyle and bring any personal effects they desire. Kōdo Ikusei is a paradise-like school, but the truth is that only the most superior of students receive favorable treatment.

The protagonist Kiyotaka Ayanokōji is a student of D-class, which is where the school dumps its “inferior” students in order to ridicule them. For a certain reason, Kiyotaka was careless on his entrance examination, and was put in D-class. After meeting Suzune Horikita and Kikyō Kushida, two other students in his class, Kiyotaka’s situation begins to change.

The world was destroyed by meteorites and everyone on Earth transmigrated to a wasteland.The wasteland would encounter an unpredictable catastrophe every seven days. Some of the catastrophes included the great flood, ice age, invasion of demonic beasts and plague of plants.In order to survive, mankind had to build more advanced shelters.Lin Yue awakened the 100 Percent Drop Rate System, allowing him to live a very different life from the others.Other people lamented, “The drop rate is too low, isn’t it? I have killed 50 mutants, yet I still have not gotten any drops!”Lin Yue lamented, “I have way too many drops and my item list is now full. Could it be that I have to upgrade my shelter and build a warehouse for all the drops? Tsk. That’s so troublesome.”