Natsu to Suisei: City - Recommendations

If you're looking for manga similar to Natsu to Suisei: City, you might like these titles.

Scabiosa

Scabiosa

"I thought I was going to marry this person someday..." Chihiro lives with her lover, Takuma. However, because they hadn't had sex in months, and Takuma doesn't seem to be motivated for marriage, she breaks up with him. Chihiro decides to leave the house, but is unable to find suitable lodgings for her to move in. By Takuma's suggestion, she ends up staying until her new home is found. In such a situation, Chihiro's ideal man, Junpei, appears. They become lovers, but Chihiro is troubled since she can't bring herself to tell him that she's still living with her ex-boyfriend. On the other hand, Junpei also has his own set of problems..."

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Crazy Love Triangle

Crazy Love Triangle

A picture of love hell can be found here!! Akari, a full-time housewife who lives peacefully with her husband, is suddenly reunited with her ex-boyfriend from high school, Arashi. After that strange reunion in 10 years, Akari's ordinary life starts to crumble...! Outbursts of love, twisted desires, unpleasant memories... Husband, wife, and her ex-boyfriend. Who's the craziest? A crazy love triangle mystery!!

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Shiomi Shunin wa SSS

Shiomi Shunin wa SSS

Kako is a passionate new staff at the sales department of her favourite beverage company. Unfortunately, she is stuck on the receiving end of her boss' daily and persistent sexual harassment. However, one day, Kako's dilemma was accidentally found out by Shiomi, the General Affairs department's supervisor. And Kako actually secretly has feelings for Shiomi who is often ridiculed in the company as the hottie whose hobbies are doing 3S: SOUJI (Cleaning), SHUURI (Fixing), and SEIBI (Maintenance). Sexual Harassment, Power Harassment, Maternal Harassment, Moral Harassment ....etc. "These harassments, I'll be the one to clean them up!"This is the start of an office story about the activities of these two people from General Affairs!

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Guilty

Guilty

Affection, betrayal, desperation—love between grown-ups is never a rational thing. Sayaka, age 35, has lived with the perfect husband for ten years. Perfect, that is, except for his disinterest in raising a child—she wants one badly, but just can’t come clean to him about it. Instead she unloads her frustrations on her younger friend Rui at their favorite bar. They trust each other enough to talk about almost anything—but Rui has a secret she can’t even let Sayaka know about! 

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Kimi ni Todoke: From Me to You - Soulmate

Kimi ni Todoke: From Me to You - Soulmate

Despite considering herself unlovable, and despite feeling deeply satisfied with Sawako’s companionship, Kurumi decides to put herself out there and try dating. When she’s pestered by a persistent suitor after a party, a handsome stranger comes to her rescue. He looks suspiciously like Sawako…or not so suspicious, considering that he is actually Sawako’s cousin! When Kurumi starts to feel drawn to him, could it be love?

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Ashita, Watashi wa Dareka no Kanojo

Ashita, Watashi wa Dareka no Kanojo

Once a week, Yuki becomes "someone's" girlfriend. She works for a "fake girlfriend" service, where she pretends to be the perfect girlfriend... for a price. But her newest customer, Souta, doesn't seem to understand the boundary between business and romance. As they interact more and more, a distorted relationship grows between the broken pair. A bitter love story depicting the realities of love between female college students who earn money through sugar daddies and escort services, and the men attracted to them.

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Tenshi no Tsuranokawa

Tenshi no Tsuranokawa

Mika comes home from a vacation a day early to discover that she has just been dumped, robbed, and then is injured in an accident. It can't possibly get any worse can it? But she's about to meet two different men who will complicate her life immensely, meet again the woman that her now-ex was sleeping with, and in the end she can only chose one...

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Aisubeki Otoko

Aisubeki Otoko

Toudou Shin's crushes are always love at first sight. He has been tasked with the training of new employee Arisako Ritsu, Arisako Company president's grandson. Toudou confesses his feelings to Arisako with all the confidence the noble son of the Toudou Group can muster, but is rejected. He must carefully navigate his sempai-kouhai relationship while still trying to convey his love, but how will things change when his old flame becomes a project partner and asks if they can rekindle their love?

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Kinou, Kimi ga Shinda.

Kinou, Kimi ga Shinda.

Hazukuro, a tailor, could only watch Godou, who had he been secretly in love with since his school days, die in front of him. Using a “magical sewing machine” given to him by a man with a demon-like appearance, he sews a Goudo figure that is exactly the same as the real thing, and it begins to move and becomes attached to Hazukuro. But apparently it must not have a soul. Having violated the taboo of bringing the dead back to life, the demon-like man sent them on a journey to find Goudo’s “soul”, where something to be sewn awaits. What is the future of Hazukuro and Goudo who travel the world with only a needle and thread…?

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Damekoi: The Late-Night Guide to Bad Romance

Damekoi: The Late-Night Guide to Bad Romance

Chiyo Fukuma (25), Madoka Koga (24) and Sawako Chidori (25) are three sassy young singles out looking for love, but sometimes the men just don’t get it! From disaster boyfriends to dumpster hellfire dates, there are enough stories to go around when the girlfriends get together! Follow them as they navigate their way through the complexities of life and relationships in their quest to find true love!

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