Himeno's chest hurts if any boy touches her because her heart is a diamond. However, when she was young, she befriended two boys--gentle Mamoru and blunt Keigo--who could touch her without harming her. Without knowing about her diamond, both Mamoru and Keigo promised to protect Himeno. When some people threaten to take Himeno's heart, who else will protect her but her knights?

Volume 1: Izumi returns from a business trip to find his apartment ransacked to the bone. Practically penniless, he moves into the only shelter he can afford: a room in a battered multi-family complex. As if the less-than-livable conditions weren't bad enough, he has to put up with his new weird, rude and tactless neighbors - and one of them is Haruto, the superintendent.

Volume 2: Everyone in the complex has seen Momo and Jin in a compromising situation at least once or twice. But what exactly is the relationship between these two men?

Volume 3: The continuation and growth between Momo and Jin. Will these two finally be able to express their love for one another within the compound?

Minami does not get along with her fellow classmates. She is rich and full of pride, yet lonely with no friends. Her luck changes when the "rude and idiotic" Tomachi starts hanging around with her. One day, she sees a book and tells Tomachi, "Wonderland... wouldn't it be wonderful if we went?" Tomachi's answer and reaction surprises her as both go on a crazy journey... meeting all sorts of people and walking cards... Follow their journey down the rabbit hole...

From Yen Press:
Alice is having a nap in her garden when suddenly before her there appears a young man with rabbit ears! He whisks her away to a fantastic (but dangerous) world that seems straight out of a fairy tale, but one where every resident brandishes a weapon…Will Alice ever find her way back home?

Pairing: Ace x Alice

From Yen Press:

One day, a mysterious rabbit-eared man named Peter suddenly appears in Alice’s garden and kidnaps her, whisking her off to a dangerous world where every resident brandishes a weapon. Trapped in this land in the midst of a three-way power struggle, Alice accepts an offer to stay at the Hatter’s mansion. At the mansion, Alice meets the Hatter’s right-hand man, Elliot March, who is likable and charming and…also sports a pair of bunny ears! And yet, Alice cannot get over the fact that Elliot is actually a Mafia hitman, willing to kill people without hesitation…In this popular Wonderland manga, the March Hare has finally arrived!!

N/A

This anthology picks up where the theatrical version of Heart no Kuni no Alice left off. In her continued search for her vial, Alice finds herself at the circus, which soon leads to the prison. There she is confronted by Joker, who accuses her of being a prisoner. Amidst her confusion, Alice must realize what is more important to her, a regret from her past, or her present life with the Hatter Family.

A spin-off of the main series focusing on the white rabbit, Peter.

Shiro had a weak heart, so she had been bedridden since she was little. A girl from her neighborhood named Kuro would always visit her and keep her company throughout the years. Eventually, Shiro's condition got to the point where she needed a transplant, or else she would die. Kuro then offers her heart to Shiro, and has hers replaced by a mechanical one. This story is about them adjusting to their new hearts and to their feelings for each other.

From Aerandria Scans:

The king of hearts is the king that captures all girls' hearts.
Yui, a teacher at a cram school, is a girl who always helps anyone in trouble. After seeing her neighbor, Sakimoto, collapse on the street, it was only natural for her to nurse him back to health. But when she did, she started to be interested in this somewhat mean guy...?!

The second part of the 5 short stories in the volume work Kakattekinasai!

ILDA is one of the best basketball players. He even has his own cheering section. Tsubaki finds herself staring at him while she practices her shots. But her team is not any good, and if they don't find a way to win the next basketball game, their team might get canceled!

The love story between a policeman and a man on the wrong side of the law. By day, he's a gentle coffee shop owner; by night... A charismatic master thief?!

A veterinarian who can talk to animals? Even better that he uses his gift to educate pet owners.

It's been 70 years since the war between the dragons and humans ended. One day, a wounded dragon appeared in front of the human girl Koon... This is a tale of travel with dragons!

The mysterious game “Heart of the Girl.” A game where in the real world, girls are rated by their ‘rarity’. Will Nozomi be able to clear her former best friend, Kakoi? Find out in this heart-racing story of love and skirt-chasing!

High school boy whose heart doesn't beat meets the man that stirs up his heart.

From Turtle Paradise scanlations:

Nanahei spends most nights gaming away with his best bud Rei’ichi on the hit virtual MMORPG “Stealer” under the team alias of “Glider,” hoping to climb the ranks and earn their bid to be challenged by the “Noob-killer,” Lily Gaga. So far, all he’s got to show for his hard work is a perpetual propensity for sleep-deprivation and a solid position at the bottom of the social ladder. Little does he know his hard work’s about to pay off as he makes the strangest acquaintance ever…

Keiichi works at a cafe with a particularly handsome wait staff, and lately he's had the feeling that someone is following him on the way home. One day Keiichi decides to face his stalker head on and it turns out to be Michiyuki, an art student who's exhibiting his art at the same cafe Keiichi is working at! But when Keiichi asks him why he's stalking him, his answer blows Keiichi away...

Summary as translated by the Dangerous Pleasure Scanlation Group

Due to unexpected events, Sakaki ends up being Yuki's "customer" and he's touched by Sakaki's words... but after discovering that a sweet fleeting kiss was just a game, what will Yuki do? Never fear; keep strong and keep believing! A love battle showdown between a yakuza and his 'wife'!