Anthologies included with the special editions of Ueno-san wa Bukiyou.

I thought I would be the only one to swim into her heart, but I didn't realize she's the king of the sea! Facing an awkward situation from her very first encounter, Li Haijue decides to live freely — and embrace her role as the flirtatious "Sea King" — in order experience a very different kind of love story! Meanwhile, this other world's hidden mysteries are starting to reveal themselves. What does the “Sea King” title over her head truly mean..? (Source: Billibilli, source)

"Mitsuki Amahara is an avid gymnast in his third year of middle school, but it's not until the final middle school competition that he competes for the first time. There, he is taken aback by the stunning performance of Sakura Dogase, a member of a renowned club. What will Mitsuki do in order to get closer to his goal...?!" (Source: MANGA Plus) *Note: chapter count includes 19 extras.*

Asuka is your almost typical teenage girl. She studies hard in school, gossips with her friends, and does her chores. The one thing that makes her different from everyone else is her crush. She's in love with someone close to her. Her mother. (Source: Sekai Project)

He always thought he was just an ordinary guy, but he didn’t know that his yard was full of divine artifacts and the chickens he raised were actually phoenixes! It wasn’t until after five years of living in an ordinary village when the System finally allowed him to come into contact with cultivators. It was then that he discovered that no matter how strong someone was, the moment they saw him, they would be so intimidated that they would tremble in fear. Some would even kneel down and call him master… (Source: Bilibili, translated)

The genius hacker Gu Chu was reincarnated into the world of a tragic romance novel as a cute five-year old girl. Her mother is the doomed heroine who will suffer a bad ending. Her father is an arrogant corporate CEO who is oblivious to their troubles. They are surrounded by scheming relatives, like the two-faced auntie and many other conspirators. So it's up to Gu Chu to stand up for her mother. Nobody would suspect a five-year old child? She's just trying to protect her mother, while fighting for a billion-dollar inheritance. (Source: Kuaikan, translated)

Indifferent student Takatsugi-kun is living an uneventful life, until he meets Niina, a girl who's utterly obsessed with baseball. Though she seems to have nothing but baseball on her mind, Takatsugi finds himself drawn to her. Their relationship progresses smoothly...or does it? An unconventional triple-threat romantic comedy begins! (Source: Manga Plus)

First appearing in the fourth volume of the Yuri Drill anthology series, the continuing adventures of a daughter's attempts at winning over her stubborn mother. *Note: First published as a doujin, it got licensed later on by Compass*

Lu Mingfei never expected to live an extraordinary life. He was content with his average achievements and took pride in his skill in Starcraft. However, all that is upended when he suddenly receives a scholarship to study in Chicago at a place called Cassell College. It all seems too good to be true, this can only be a scam! Little does he know, that when he does eventually accept the offer, it is but the beginning of the rest of his life, and the college's obscurity will be the least of his concerns once they start telling him about the dragons... (Source: Webnovel) *Note: Includes 1 extra chapter.*

Evil noble young master Roya Arkad regains his memories of his past life at first sight of his godsister. He realizes that this is the world of a galgame he once played, and he is a main antagonist that the protagonist will definitely face in the main plot. How can he evade his bad ending? Roya awakens a system and starts his journey of survival. (Source: Bilibili Comics)

The person who broke into his home, turned out to be his customized robotic doll. “Why me? Why do you keep looking for me?” “Don’t you understand?” (Source: Bilibili Comics)

Shen Fan is determined to understand the inner world of the one she has secretly admired for three years. Her desperation draws her like a moth to a flame, even as she knows that her love may kill her. And what does the latter think? *"This girl is very interesting, I suppose I could play with her a little."*