"Love Flower"
A three-part story featuring a loving adult couple who find a high school girl devastated by her senpai's apparent rejection of her feelings. The two women encourage her, and happily watch as a romance very reminiscent of their own teenage years begins to develop.

"Romance Women's Detective File"
A two-part story about a detective who helps locate her one-sided love's ex-girlfriend.

"Milky Way of the Two"

"Mystery of the President"

Office Romance: Women's Division is about a group of women who all work in the same office.

Story 1: Renai Joujou
Tsubasa, a normal teenage girl, promises to her dying grandfather that she'd fufill his last wish. However, it turns out that she must marry the heir of a tea ceremony school due to her grandfather's promise? What?! But, there are two heirs, so she must decide who to marry, or if to just run away from her problem.

Story 2: Ouji Sama no Himitsu (The Prince's Secret)
Yukasato happens to witness her school's prince, Matsunaga-senpai, rejecting a confession from a girl, and then freaking out by himself afterwards. Yukasato offers to be his girlfriend to help 'rehabilitate' him of his fear of girls...

Story 3: Rabu✩STAR (Love✩Star)
Ito and Kaho are childhood friends, Ito being the tyrant who bosses Kaho around, and Kaho complying (mostly because his mom asked her to). Ito is a star, but Kaho doesn't see him that way until he drags her along to a photo shoot of his...

Story 4: Chuttoshite Purisu (Kiss Me - Please!!)
Hinata and Jun have been dating for three months, but haven't kissed yet... Hinata discovers that Jun faints whenever he gets close to kiss Hinata!

Sayoko is an incredibly kind, but solitary, young kimono-clad lady who has certain supernatural abilities. She can see ghosts, and she frees them from their places of death by agreeing to let them haunt her instead. As a result, everywhere she goes, she is followed by an army of well-meaning spirits that only she can see. Her weirdness tends to throw any normal people who would have otherwise possibly become her friends.

Inaba is a poor college student who happens to accidentally run over Sayoko with his bicycle.
Sayoko normally is unable to interact with people for long periods of time, because since she is haunted she endangers the health of other people just by being close to them.... But for some reason Inaba is completely fine with being around Sayoko even for long periods of time....

...Just what's going on?

Is there someone that you truly love? Tomiura and Shirosaki attend the same university and both know that each other is gay from an unexpected incident. They both have become close rapidly from a sense of affinity. Even though they are drawn together, will they choose to be in a relationship with each other?

At a prestigious school where love is banned, an ordinary boy discovers the student council President's secret.

Note: This is not a yuri manga, but there are characters and scenes that appear in the series to have yuri elements.

From MangaHelpers:

This manga features the daily life of the workers at a video/CD rental shop. Sakurai Kyousuke is a college student who is interested in a younger worker, Doumoto Haruka. Haruka is a cute high school girl who has a boy's personality, including an intense interest in other cute girls. Working with both of them is also the lovely Hasekura Ryoko, a pretty 20-year-old with a great rack and personality. Other people also come into the picture as they continue their everyday life of working at the rental shop! [tethysdust]

From Covenant of Darkness & Fate:

Story 1:
Everytime he teases me, my body aches for him.
Why am I reacting to his touch? We realized our feelings when our bodies were one. I came to know what 'climax' is or the first time. When I had figured out that I'm falling for you, you had already joined the Renai Club.

The dangerous two
Overlooked by Nadeshiko-san
Renai (Star) Club
Worrisome Love Feeling

From StarryHeaven:

Ch 1-3 Renai Kyoushuujo
Ran is terrible at love and is always getting rejected. Today’s rejection was witnessed by the most popular prince at school, Takashina-kun! Ran thought she came off as an idiot, but with Takashina supporting her efforts, Ran falls for him! That night Ran left for home late and in a seemingly empty classroom, she encountered a mysterious man in a military uniform. Did Ran discover the love training institute?

Ch 4 Unfinished Love Song

Ch 5 Forgotten Things

A oneshot by the author of Bitter Change, Masayoshi, comes a story of forbidden love between a teacher x student and a student x teacher

A childish student, Shirou carries a torch for his teacher, Oka. Masami, a good friend of Shirou's, who has cherished him like a brother, is confronted by Ryuuji, another friend of them, concerning his true feelings for Shirou. Masami and Ryuuji conclude a gentlemen's agreement, in which either of them cannot hit on Shirou. Ryuuji orders Masami to substitute and take care of his sexual desire instead of Shirou.

From Divine Sanctuary:
Minami is a shy girl who is respected by her friends. When she meets a good looking guy at her school, she falls for him at first sight. Does she have a chance to become his girlfriend? Or is there maybe another problem which makes everything problematic?

New manga editor Haruka has just been assigned to her favorite manga artist ever, Kuroi Ritsu. Kuroi-sensei's manga, "With You" motivated her to turn her life around. When she finally meets shut-in, mopey, entirely unfashionable Kuroi-sensei, Haruka is in for a bit of a shock.

From Chibi Manga:

A girl who was suffering of an unrequited love received a "mentalism comic"! the mentalist Daigo is popular and we can see him on TV and magazines. He can read people's heart thank to mentalism and he can also find love to people !!

"Unrequited love is like a Metro that runs underground."

College student Nozomi has always been secretly in love with her senpai Shusuke. Unfortunately, he is already in a blissful relationship with Moe-san, a beauty so lovely and kind-hearted that Nozomi can't even bring herself to resent her.
One day, her one-sided love is discovered by none other than Atsushi, Moe-san's brother, and that's where Nozomi's troubles begin...

Rei is an AV actor, who finds life for boring. Things are to change though when he meets one of his classmates from middle school.

Ryuuzaki is the athletic teams idol, but having been called a 'mermaid' by the Swim teams Toya, he becomes determined to find out why... Watch as the story between these two individuals collides in this highschool-romance

By Mango

For Fujimiya who is a very competent guy at the company, Yuuki, a grandson of the Chairman of the Board has been his longtime rival. Yuuki bears away all girls around Fujimiya, so Fujimiya has been "unskilled at love" yet. Yuuki asks Fujimiya to take care of his "pride and joy", Shuuta Takahashi during Yuuki's overseas business trip of half-year. Shuuta was a playmate of Yuuki and has no experience of working at office but is very eager to become an accomplished office worker to help Yuuki. Fujimiya is moved by Shuuta's enthusiasm and teaches Shuuta personal computer after his working. Fujimiya can not help loving Shuuta when he drinks too much at the party and is looked after tenderly by Shuuta. But when Yuuki returns he is not all that happy with how the things evolved between Fujimiya and Shuuta...


Also includes a short story with the junior high school students Tamura and Mikami from Love Trivia before they become quiz game partners.

From Seven Seas:

Tales of love abound in Wonderland, especially where Alice is concerned. Whether it?s the March Hare, the Clockmaker, Gray Ringmarc, or Blood Dupre, Alice has many admirers and she just can?t make up her mind who she likes best.

This anthology chronicles the many loves of Alice Liddell, and also features a story about the love between a prince and a maid in Crimson Empire, and the love between an assassin and a princess in Arabians Lost.