High school girl Akari was lost in a forest when when was rescued by a vampire girl named Sophie. Since then, Akari has developed a liking for Sophie, who prefers to be alone.

A spin-off centering on Lu Bu Fengxian.

From etc:
Bookish and naive, Angelo da Canossa is unprepared for life as a student in a university that hums with tension and intrigue in Renaissance Italy. Will his innocence remain intact when a chance encounter with the charismatic Cesare draws him ever deeper into the darker side of the Renaissance?

Note: In creating Cesare, Souryo has collaborated with a Dante scholar to bring to life a vivid portrait of Renaissance Italy in great and accurate detail.

Six months after the fight to the death with The Bog, Kaiji escapes from the underground and pays off his debts. Sakazaki gets fed up with Kaiji and tries to get rid of him by giving him 3 million yen as compensation. At that time, Kaiji is reunited with Miyoshi and Maeda, who were his friends in the underground, and they come up with a plan to swindle a large sum of money from Muraoka, the president of the underground casino where they work. Kaiji takes 3 million yen from Sakazaki, promising to pay it back, and plays a variant of mahjong called "17 Steps" invented by Muraoka.

The classmate you’re interested in is a slightly strange girl who wears a different wig every day to school!?

Take me to the end of the world... said Blaise Cendrars.
Come on, I'll take you, says Keiichi Koike.
He takes you on a trip through time and space to the end of the world that is also but the beginning of it all...

The office stories of a kind hearted, weak willed, witch senpai and her relatable, simple but nice kouhai that started over a cup of magically warmed coffee.

Tenka is a chad virgin sigma male who will use his di-- I mean his holy sword to defeat all the succubi because nonconsensual sex is wrong, kids. He teams up with the Holy Maiden Amelia (with an A) who also uses less-than-traditional weapons.

Dias fulfilled his parents' will to help others, and kept fighting on the battlefield to that end. Now known as the “Savior Hero” from his long wartime career, he was rewarded with a vast territory from the king. After having met the horned Kijin girl Aruna who lives there, he begins his new slow life as a lord.

21-year-old Jang AnCheol has been on fast-track to success when he is cursed by a classmate he had bullied 3 years ago in high school. Now placed in loser’s body he had bullied 3 years ago, he is tasked with stopping 4 “Life Completely Ruined” incidents as well as rehabilitating his past self in order to undo the curse. How will he navigate his way through his past self and his cronies torments?

From the author of "Lookism" and artist of "Free Draw".

A tribute anthology for Mushishi.

The protagonist is a mysterious and resourceful man who goes by the name "Zero." An expert on artworks, antiques and ancient artefacts, Zero is adept at rooting out their histories and uncovering any unusual qualities they possess. Because of this, he frequently gets called on to dispel "curses" and to both uncover and create forgeries.

Zero is a man who will stop at nothing to see a job done, but he will also charge whatever fee he deems appropriate: it might be a billion dollars, or it might just be one.

A veteran adventurer was preparing for his retirement when his former disciple returned to the village, intending to recruit the old man to his party. Filled with regret due to an incident that happened in his first party, the old man rejected his offer. Being affected by his disciple’s adventurous spirit, the old man leaves in hopes of reigniting his long-lost dream, to become the strongest adventurer that ever lived.

The protagonist of the series is the lecherous Satonaka Ikkou, who transforms into a super-monk (being able to perform mass exorcisms) by his lust for the girls he lives with. He lives in the Saienji Buddhist Temple as a Buddhist priest-in-training together with six other nuns: Amanogawa Haruka, Ikuina Sumi, sisters Sugai Sakura & Hinata, Nambu Chitose and Atouda Yuuko, each of whom represent one of the bosatsu of the six lower realms of the traditional Buddhist cosmology. Chitose is the other main character and has a strange relationship with Ikkou; he seems to be in all the wrong places at all the wrong times, but they really care for each other in all actuality. A side effect of Ikkou using his ultimate power is that immediately afterwards, he turns into an even bigger pervert than he normally is. The series is about Ikkou's self-destructive power and his attempts to control it.

The Mushoku Tensei 4Koma.

A story about two students who share a bad case of insomnia, who find napping refuge in their school’s abandoned observatory.

In a city overflowing with heinous crimes and violence, two girls make it their job to kill criminals who can not be dealt with by police.

Ruu Brandel, a genius wizard with a talent for thousands of years. One day helped a beautiful aristocratic daughter, Franc and was to be assigned to “Magic Girls' Gakuen” where he acts as a teacher! Now, the “non-standard” teacher life by the strongest wizard opens!

(Source: MangaUpdates)

"Ecchi stuff that also may have a story...."