Secchun, who moved away when his mother remarried, was invited to live together with a childhood friend so they could both attend the same high school. Little did Secchun realize that reuniting with his friend would go 'beyond' his expectations.

At her grandmothers funeral 5 years ago Touno Mariko saw her grandmothers ghost. Ever since then she has been able to see ghosts. One day when visiting her grandmother she accidentally angers an old spirit and is saved by Takenaka Masato. Masato works for a spirit travel agency, which is exactly what it sounds like. As fate would have it Mariko now has to work for this agency to pay off her debt to the angered spirit.

From MangaHelpers:
In the 1950s, an old woman was brutally murdered on the face of a clock tower by her adopted daughter. Two years later, the clock tower is known as the 'ghost tower' and it is supposedly haunted. Through an unusual series of events, a young NEET man named Amano Taichi is attacked by someone or something in the same clock tower, and finds himself bound to the clock face to be killed in the same way as the old woman. Luckily for Amano, he doesn't meet the same fate. He's rescued by a mysterious person who claims his name is Tetsuo. He is searching for a treasure that is connected with the ghost tower, and he wants Taichi to be his partner. Taichi, whose life has mostly consisted of poverty, loneliness, and pornography, is enticed by the idea of gaining extreme wealth. He's further convinced when a house fire leaves him without a home and depends on Tetsuo's charity. The adventure is going to be very dangerous, since the same 'enemies' who attacked Taichi before seem certain to try something again! Not to mention, Taichi really knows very little about his new partner.

The meetings and conversations of yankee girls at a family restaurant. Sometimes observed by an unknown salaryman who overhears their conversations.

From DrCoke at MangaHelpers:

Six years ago, Tsukihiko was caught in an assassination attempt on a little girl, Sami, when he attempted to be her shield. This incident nearly killed him and the girl together, but the little girl was the daughter of an extremely powerful family. With its vast amount of resources, the family was able to keep both Tsukihiko and Sami alive by recreating both of their bodies with cyborg technology. This has forced Sami to permanently rely on wired connection to her life sustaining computer. On the other hand, Tsukihiko has become a cyborg "Knight," sworn to protect Sami from harms way.

In the wilderness of Hokkaido, the Ainu people of Japan live in harmony with nature. Kotan Nakamura is a young Ainu boy living peacefully until he meets a tiger one day. This tiger, Dan, has escaped from a train that was carrying him to a zoo. Together, they discover mysterious ruins hidden underneath the ground.
Within the ruins, Kotan and Dan discover an old man named Upopo living there. He tells the boy and the tiger about three keys to a fantastic treasure. As it so happens, the evil Sekkoku Kou is also searching for the treasure and shoots Upopo. Before he dies, Upopo gives one of the keys to Kotan.
Now, Kotan and Dan find themselves involved in an ugly battle as numerous villains track them down to try to get the three keys so they can claim the treasure.

Yukina was a young man who hailed from the same village as the Yuusha who shouldered the fate of the world. Through a certain incident, he got ahold of the talking spear, Gram. It was a weapon that was on par with the legendary sword the Hero wielded. The first volume of an adventure fantasy of the youth with a realistic growth!

Three Years ago a Hero sealed a Hell Gate. The Seal has been weakening ever since, sporadically letting Monsters through. After a big Group of Monsters entered the Country through a Hell Gate, the profession of Heroes was needed again.
Touka Scott a small Radish Farmer in the southern Town of Cheza is prepared for sudden Monster Attacks. He built himself a hidden Pittrap with Bamboo spikes, to lure unsuspecting Monsters in if they ever try to Attack the Village. A Monster attacks and Touka tries to lure it into the Trap with freshly roasted Bacon, but the Monster dislikes this type of Meat. Thankfully the local Hero saves the Village from the Monster in the nick of Time. The hungry Hero tries to grab a bite of Bacon after vanquishing the Monster, only to stumble into Toukas Pittrap and Die.
After causing the local Heros Death, Touka is forced to take matters into his own Hands to protect the Region from attacking Monsters.

After their journey to defeat the Demon Lord ends, a group of heroes can finally go back home.

From /ak/ Scans :

The hero union's BBS, where heroes gather, crossing many dimensions. A bulletin board made by heroes for heroes. Unfair settings, complaints about comrades, tales of failure, and discussions of secret agendas, they are all found here! Even now, new threads are being made!

A comedic chronicle about the travails of heroes.

The burgeoning romance(?) between the Demon King and a friendly adventurer.

Original douijinshi about the unemployed female Hero, Mahiro, and the three girls around her.

Note: Done by Harada Takehito, famous for being the artist for several games made by Nippon Ichi. Published under the circle, Haradaya.

Raul could not become a Hero since the demon lord was already defeated just before his Hero exams came around. His dreams dashed, he now works at the magic shop Leon in the royal capital. One day, a young job-seeker shows up, looking for work. Now only if they weren't the child of the demon lord...

After the great battle between the Demon King and the Hero, justice prevailed and the devils scattered. The Demon King was killed. A few years later, the Demon King's daughter went on a journey to find her father's heritage, and met the granddaughter of the Hero. Could this journey signal a new start for the two?

Because Rein was a weak and simple beast tamer, he was expelled from the hero's group but that didn't stop his desire to be an adventurer. By taking simple quests afterwards he has a destined encounter with a strong cat girl.

From MangaHelpers: A certain beautiful princess was captured by a demon king, and a hero went out with his party of adventurers to rescue her. When he returned successfully, he asked for marriage as his reward... but not with the princess, with her maidservant Aria Milford! Aria was as shocked as anyone else, since she quite happily considers herself a minor character in this story! The hero is determined to win her hand and her heart, but what will she do about it?

As the monster's teeth drew near, it was then that I remembered. "I've witnessed this scene before." This was the world of an RPG I played in my previous life. And I, as the main character's childhood friend, was the losing love interest who would be turned down by him in the future. The childhood friend whose role ended one hour into the opening after confessing to the main character as he was about to set off into his journey. The one many players sympathized with as the main character would meet another girl who would cling onto him during his journey. If I remain in this village, in the future I'll be the losing love interest?! To prevent that from happening, I'll leave the village and make use of my newly blossomed ability in compounds with becoming an alchemist at the royal capital as my aim. I don't give a damn about some job that requires me to be the main character's childhood friend. I'll be seizing happiness with my own hands! (MangaUpdates)

1) Barbed Wire Love
With the blessing of the wedding bells, Heiji has to bury his feeling to give wishes to Kou senpai and his sister. The love Heiji and Kou had during high school was so pure and innocent until Kou requested a break up. After they met again, everything went wild. The bridegroom and the brother-in-law scandalous meeting in the resting room, what will become of them?

2) I Really Want to See You
When Haru's best friend Takakazu suddenly confesses and pushes him down, Haru is powerless to fight back, but manages to escapes before the end. But a month of being alone has Haru longing for Takakazu's gentle company...

3) Sheltering from the Rain
One rainy night super popular high school student Itsumi Shuu suddenly sees geeky student Takai Suguru without his glasses, and is captivated by the strikingly beautiful Takai. With the help of an aphrodisiac Itsumi captures Takai's body, but what about his heart?

4) Love Level @Beginner
Hairstylist Matsuri and make-up artist Kouta have a dream of opening up a salon together, and have been very close up to now. But now a handsome model is aiming for Matsuri, and Kouta is discovering feelings he never knew he had!

5) Please Whisper in Your Voice
Mizumoto is president of the student morals committee and is always chasing after Honma the constant rule breaker with the golden voice. And although he acts tough and distant, Mizumoto is also drawn in by Honma's beautiful voice.

6) Other Days
Continuation of Please Whisper.

From Hidoi~! Translators:
A young man who discovers he can have out of body experiences, which he uses at first to have fun but quickly leads him to discover that his life isn't what he thought it was, and people he knows have lives he never imagined. And then he meets this girl who has the same power and much more control...

Note: Shinsouban version includes two additional ending chapters.

From Yanime:

A boy named Yuuto Seo moves from Hokkaido, where he's lived all his life, to Tokyo. He first fears he must give up speed skating, his hobby, but he soon finds places to skate and people to skate with. The second series written by Hotta Yumi (creator of Hikaru no Go).