Hina (23) really hates taking a bath. 'Coz it's too much of a pain! However, her boyfriend, Teppei (23), tries to make her take a bath with various strategies! Can Hina still continue to be stubborn until the end!?

ComicWalker Raws - https://comic-walker.com/contents/detail/KDCW_KS13201687010000_68/
Pixiv Comics Raws - https://comic.pixiv.net/works/6659
NicoNico Raws - https://seiga.nicovideo.jp/comic/47852

"Girlish Delights," by Mitose Noriko, is about a shop full of things that supposedly only girls understand.

The series follows Chitose Karasuma, a university student who aims to become a voice actress.

A collection of connected standalone oneshots by Takemiya Jin.

Includes:

Truffle Nature
Thyme Orange
Sweet Acid
Best Friends
Good Faith
Be Connected
Hands
Be jealous of
April 2/3
May 3/3
tee hee hee
July 1/3
3/3 Memories
Happiness

Short crossover between two series that Nogami worked on (Girls und Panzer and Sailor-fuku to Juusensha). It's a short one-shot he did during the infamous delay of the Girls und Panzer anime in 2012.

In the world, the manipulation of tanks (Sensha-do) is one of the traditional martial arts especially for girls. Miho doesn't like Sensha-do and moves to Oarai Girl's High School. But the chairperson of the student council orders Miho to participate in the national Sensha-do championship.

An anthology by various authors.

Prequel about Nishizumi Miho: her first meetings with her friends in elementary school and how she came to start avoiding tanks.

Takes place a few years after Little Army. Emi, who had gone to her mother country, Germany, in order to learn about tanks, returns to Japan in order to keep a certain promise. However, many new experiences await her at her new school's Senshadou club.

Girls und Panzer 4-koma the author did before working on Motto Love Love Sakusen desu! > Spin-off of GIRLS und PANZER

Part of the series GIRLS und PANZER.

Tankathlon is a new form of tank sport gaining slowly gaining popularity among Senshado enthusiasts. While also involving tank battles, Tankathlon is distinguished by its lack of official oversight allowing any school with tanks to participate in a battle anywhere at any time, and a 10-ton weight restriction on tanks used, limiting battles to light tanks and tankettes.

A pixiv manga about girls, love and youth.

Amano Emi likes wearing cute clothes. One day, as she is arguing with a pick up artist who was harassing a girl, a drink is thrown at her. She is saved by a stranger...

From Divine Sanctuary:

Having to move schools from the Countryside to Tokyo, Chinami realizes that 'being like a girl' is quite vastly different?!

A side-story providing an alternative retelling of the events of the anime as well as original stories.

Yukinari Sasaki is an average high school boy who has gynophobia (female-phobia)...and an allergic reaction when girls touch him. One day, he falls through his tub to a bath to an alien planet called “Siren” where the population is 90% female. There he meets the sweet Miharu, who he can touch without breaking out into a rash! When the pair returns to earth, they’re joined by a wacky collection of friends and enemies who make every day one of laughter, life lessons, and fan service!

Oneshot epilogue for the Girls Bravo's story that was released in an extra booklet for a deluxe edition of Girls Bravo.

What happens when Kirie finally faces her feelings? Will she finally find a closure?
The funny answer to a question never pursued.

Stories following various adolescent girls and their encounters with puberty and other worlds.

From MangaHelpers:

No one can make the perfect decision every time. Everyone has those moments that they wish they could redo and alter their decision. This story revolves around girls that got their second chance. [DrCoke]