Under the wing of the Hawk Party there is a certain research institute filled with those who pursue research that may or may not actually be useful!
From Hato Moa, the maker of Hatoful Boyfriend, an official spin-off manga! The button quail who led a life of depravity after failing his college entrance exams, Kazuaki Nanaki. He thought that his halfhearted days could go on forever, however... This manga contains short 4-koma comics about the birdstyle of a button quail. (Source: Amazon)
A short story about Hatohouse kids going to the onsen.
One day, Haruhi, a scholarship student at exclusive Ouran High School, breaks an $80,000 vase that belongs to the "Host Club," a mysterious campus group consisting of six super-rich (and gorgeous) guys. To pay back the damages, she is forced to work for the club, and it's there that she discovers just how wealthy the boys are and how different they are from everybody else. (Source: VIZ Media) *Note: Includes 14 extra chapters.*
Host Club is a club of handsome boys at Ouran High School who entertain the girls glamorously. All of a sudden, the coolest person in club, Kyouya, turns 180 degrees and Tamaki is jealous of seeing Haruhi correspond with director of Ouran Academy. In the middle of the disturbance, suddenly all club members fell into underground world.
Chiyuki makes the most of the time she has left, even though things aren't that exciting--until she comes across a reluctant vampire late one chilly night. Can Chiyuki teach Toya to feel passion for life, even as her own is ending? (Source: VIZ Media) *Note: Includes one extra chapter.*
The story follows Ranmaru, a super-negative college student. It's two months into Ranmaru's college career, and if he's learned one thing, it’s that he’s really uncomfortable around other people. But when he stumbles into a zombie mob attack, he’s totally forced out of his comfort zone! Of course it's just a movie shoot, but when he wakes up from his ignoble faint, he's been whisked away behind the scenes with the Art Squad! Could this group of weirdos be what Ranmaru's been looking for all his life?! (Source: VIZ Media)
In a shopping district of closed shutters and turned keys, Ajimaru, a lone Chinese restaurant, bravely faces its impending closure. Everything changes when they serve up a free meal to the starving Nasunosuke, wandering waiter extraordinaire, who might be just what they need to spice up their shop! (Source: MANGA Plus)
High school student Rena has always been able to see ghosts. She's gotten so used to it by now that it doesn't even bother her anymore. But suddenly, a SecuREIty agent name Mitama appears and vows to protect Rena! This action comedy series is out of this world! (Source: Manga Plus) *Notes: \- Includes 1 extra chapter. \- Thirteenth place of Tsugimanga 2020 Award in the Manga Category.*
Shosuke is a high schooler who’s bad at studying, sports, and almost everything else… But one day, a robot from the future called Chuck Beans shows up to change his life! Sounds like the cliched beginning to a stereotypical story, but Shosuke simply refuses him entry into his house! Tsurun Hatomune presents an offbeat slice-of-life sci-fi gag manga! (Source: MANGA Plus)
When Sorel Idris turns around to find a stranger in her home, she isn't that surprised at first. After all, her father warned her this would happen. But when she detects the faint scent of blood in the air, she can't keep her rabbit ears from popping out in shock. Her father failed to mention that her soon-to-be husband, Duke James Calier, was a vampire centuries older than her! On top of that, she discovers she's the heiress to a considerable fortune. Sorel slowly adjusts to her newlywed life while attending the university of her dreams. (Source: Tappytoon)
*"Mom, Dad... I'm transgender."* Unwelcome even in my own home, my life was a hellscape of discrimination and prejudice. That is, until I met him... TRIGGER WARNING: This product contains slurs used as insults against transgender individuals that may be emotionally damaging to some readers. (Source: Renta!)

