Rocket Princess was written by Nobuyuki Anzai before he started his work on Flame of Recca.

Basically, we follow Ishibashi Kango through his days as he interacts with a cyborg by the name of Oozora Kohime.

If you liked Flame of Recca, then I'm pretty sure you'll find something to like in this one, too.

From Impossibility:

Morisawa Kai and Sato Tatsuki are best friends. However, unlike Kai, Tatsuki is completely unreliable, lazy, and ill-tempered. One day Tatsuki takes Kai out driving in his new motocycle only to get into a bad accident that leaves Kai dead. However, Kai's spirit ends up in a body of a girl named Fujii Marika. After seeing how cold and unaffected Tatsuki as well as everyone else was after his death, Kai transfers to his previous school in which he starts noticing flaws to Tatsuki's cool mask...

Tsutsumu Shisui is brought up by his grandfather, Dr. Yuujirou after his father, Dr. Hiromu died. But now Yuujirou also died with a lot of debt. At Yuujirou's funeral, Tsutsumu's cousin, Sou Takigawa suddenly appears and declares that he wants to take care of Tsutsumu.

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?

1-5) Renai Jikaku Shoujou
The beautiful, strong Agatsuma Tamaki has a weakness~ his kohai* (*junior in age or rank), Sawamura Kei, who simply just drives Tamaki up the wall by his mere existence. On one fateful night, Tamaki’s guilty secret was discovered by no other than…! Will romance blossom between this wild but emotionally inept couple?

6) Kimi to Boku no Itsu Pobun
Horiuchi has always been precognitive and his cousin always gave him a hard time for that. Now his bully of a cousin has to stay with his family temporarily and his ribbing doesn't stop. Oneshot also found in Saikou no Kimi

7) Afterword

Because of the two senpais passionate affections towards each other, there isn’t any new recruit for the Archery Club. As a result, the club might be disbanded. However, there might be hope if the two freshmen, who have been studying archery for over ten years, join the club. Will the boys agree to join a club that has only three members and without a consultant? And will their relationship advance to the next stage? Includes a one-shot of a sweet love confession between a sensei and an intern.

Included oneshot "Love internship".

Honey Senior, Darling Junior is an endearing collection of four short stories about the inevitability of love.

School is ending and two friends Hikaru and Tsuyoshi decide to go on a road trip together to make one last, good memory.

Chikato and Yo-o are fellow track runners with great potential. However, when Yo-o suffers a permanent leg injury, Chikato sticks by his friend through the good times and bad.

Niwa is considered the school weirdo. Only one fellow student Sako shows any compassion and understanding.

Finally, Ushio lives out lonely days in his hometown waiting for his cousin Kei to return home on university holidays.

What do all these couples have in common? Through all their laughter and tragedies, they discover a deep bond with each other they never knew existed...a bond that will last forever. Love is everywhere, but more importantly love is inevitable.

From Aerandria Scans:
Yoshikawa Hiyo has waited years to finally confess her feelings to her crush. Now that she’s in the same school as him, she decided to bring up the courage to confess. But just as she was building up her nerve, she almost gets hit by an arrow directed at her! With the arrow came a note of invitation to a room of the school. When she got to the room, she was greeted by two gorgeous brothers who introduced their club as the Love Cupid club whose purpose is to help those who have love problems. As the brothers try to help Hiyo to confess, they are besieged with another problem. Whenever Hiyo faces her crush, she becomes extremely clumsy and accidentally hurts people around her, even her crush! Will Hiyo ever be able to confess her feelings?

Side story: Girlfriend
Rika has exchanged promises with her childhood love Yuki, when they were about to be separated for three years, studying in different schools in different towns. But now she’s starting to worry since Yuki’s letters and phone calls suddenly stopped coming. Did he forget about her? Does he have a new girlfriend now? All these confusions are compounded when her enemy Shiino suddenly reveals his true feelings for her! Will she accept and forget about her promise to Yuki? Or will she just accept because Shiino somehow resembles Yuki?

Quite possibly the best and most reknown fighter of all the schools is a red haired girl, solely referred to as the Red Lion. But as the Red Lion suddenly disappears one day, we find that's only the beginning to the trials of real "Red Lion".

From Shoujo Crusade:

Riko Mitsumi is sixteen year-old girl who is pretty and a good student. She would be like most girls if she wasn't constantly dreaming about sex and using a pseudonym to write about it.

A collection of short stories by Ingénuo author.

1) Pure Love;

2) Double Faced Venus;

3) 100% Pure Girl;

4) Summer's Noon;

5) Bloody Sculpture.

From BangAQUA:

Sung Hyeg is from a rich family; smart, prudent, cunning and strong. Je Ha is from a poor family; an idler, hooligan and is always looking for badass adventures. Both of them have nothing to lose. And it would have been best, if they had never met…

From HMR Scans: No matter where you are I can recognize you at one glance whether you are disguised or far away. Because it's our fate and destiny. There is no other enemy like you!! You tackle and bother me on everything I do. Say and Yong-won are like enemies ready to attack-!! Messed up and tangled Say’s and Yong-won’s sad but beautiful love story~

The cute, slightly sinful, collection of stories.

1) Touch Me, Melt Me
Tatsuya is a second year high school student whose tutor, and subsequently his father’s subordinant, tells him "I’m in love with you," and suddenly kisses him! Since then, even as he repels Saejima, Tatsuya is hyper-aware of him, but Saejima is constantly joking around, and Tatsuya doesn’t know how far he’s being serious.
Why is it that the mature looks on Saejima’s face make Tatsuya’s heart to throb, and feel every touch?! (from Blissful Sin)

2) Touch Me, Spoil Me
Continuation of chapter one.

3) How Do You Think I Feel
Story about two video rental coworkers, Atsushi and Tetsu.

4) The Stars That I See When I’m with You Are Pretty
Story about bath-house part timer Koutarou and the customer Aoi.

5-6) Flip · Flop
Brothers Kiyo and Shun have somehow become estranged from each other, what could possibly be the reason?

Collection of short stories:

1. Sensei wa Sadistic (Sadistic Teacher)
Refusing numerous confessions, Tamami's nickname is "Princess that's difficult to fall". In reality, she's inexperienced in a love relationship. One day, in order to refuse a confession, she mentions "I love Kunugi, the math teacher." and lies. Kunugi overheard this conversation and....?!
-Chibi Manga

2. Sensei wa Usotsuki

3. Santa Claus Panic!!
It's the season of Christmas and companies are advertising their services more determinedly during these times. Yayuka accidentally picked up a flier saying a Santa will give her a wonderful gift on Christmas if she calls that number. Not wanting to be alone of Christmas, she calls the number and prepares a Christmas feast for Santa but when the doorbell rang, there stood a very young and handsome Santa who happens to be a debonair host!
- Aerandria Scans

4. Renai Shisuu 0%

5. Sensei wa Yappari Usotsuki

From An Endless Story:

After the death of her father, Sakura decides to follow her father's last wishes and move into Sakura Dormitory and attend Sakura High. However, on her way there, she's approached by a stranger who mistakens her for someone else and steals her first kiss!

From Blissful Sin:

1) Beyond a Kiss is...

2) Sailor Danshi
Seeing a friend dressed up in a sailor uniform at a drinking party, his heartbeat immediately speeds up and his crotch starts throbbing! To find out why, he takes his friend to a love hotel and...? The arousing sailor uniform clinging to a muscular body, bondage brothers, oyaji harassment, sex on the beach and much, much more - all in this fully-loaded novel!

3) Pure-Heart Lies

4) Absolute Love Tyrant

5) Hyper Ocean Love Story

6) The Daily Life of a Dog

7) Infinite Affection

7.5) Extra and Afterword

From Nagareboshi Manga:

The student council is full of strange, quirky people with clashing personalities. One person in particular, Tsubaki Kiyoi (nicknamed Tsubakiyo), has a special talent that only one other person knows about-- when she touches someone, she can access their thoughts and memories. But because of this talent, she is very introverted and damaged inside. Can she overcome her fear of coming in contact with other humans, and take control of her power?

1) Saikou no Kimi
All begins when Soga Naoaki went to complain to the president of the student counsil, Yoshizumi Sekai, about the reducing of his volleyball team's bookings. By coincidence, Naoaki becomes the vice-president of the student counsil because of the health of the current one. He and Sekai don't get along, but what happens when they have to organise the school festival? Also found in Koibito no Namae

2) Kimi to Boku no Itsu Pobun
Oneshot also found in Renai Jikaku Shoujou.

3)Kimi ni Ai ni
Oneshot also found in Takaramono.

4) Afterword

Ikewaki Gajirou, nicknamed Gacchan, is the most valorous of the Big 5 in his school. He's a pretty good person. However, he has one flaw that people fear him for...