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Love Riron  
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Loser Yarahata Kanji can't even have a normal conversation with a girl let alone have any kind of relationship with one. But one day a ghost named Aiya appears and declares that he has been tasked with the mission to change Kanji's life. At this rate, the Yarahata name will not live on so Aiya will become a love doctor and coach him on how to develop relationships with girls.

The first hurdle comes when he starts a part time job at a convenience store and sees that his co-worker is a hot girl named Yoshizato Saki who also happens to be the store owner's daughter. With the help of Aiya, Kanji, although stumbling along the way, has a conversation with her and builds a relationship. But he has miles to go if he wants to be the kind of person that can date beautiful women.


Related Series

Associated Names
Love Theory
Yakuza Love Theory (French)

Groups Scanlating

Latest Release(s)
v.1 c.1 by Crunchyroll over 3 years ago
c.43 (end) by Crunchyroll over 3 years ago
c.42 by Crunchyroll over 3 years ago
Search for all releases of this series

Status in Country of Origin
5 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 7.9 / 10.0 (103 votes)
Bayesian Average: 7.59 / 10.0
 23% (24 votes)
 9% (9 votes)
 23% (24 votes)
 25% (26 votes)
 13% (13 votes)
 4% (4 votes)
 0% (0 votes)
 2% (2 votes)
 0% (0 votes)
 1% (1 votes)

Last Updated
May 18th 2016, 7:03pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Manga Action (Futabasha)

Licensed (in English)

English Publisher
Crunchyroll (Digital Simulpub)

Activity Stats (vs. other series)
Weekly Pos #742 increased(+46)
Monthly Pos #1152 increased(+532)
3 Month Pos #2307 increased(+880)
6 Month Pos #3892 increased(+310)
Year Pos #4420 increased(+936)

List Stats
On 400 reading lists
On 344 wish lists
On 313 completed lists
On 10 unfinished lists
On 127 custom lists

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User Comments [ Order by time added ]

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Funny and somewhat correct   
Rating: N/A
by bronx819
February 14th, 2014, 3:37am
I guess this is mostly aimed at people like the main character except not as bad. Its funny because everything is exaggerated but at the same time some of these 'Love Theories' actually have some truth to them. Its good for laughs and you can pick up some useful things
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A good manga   
Rating: N/A
by MatiurDat27
July 28th, 2014, 1:12am
This is a good manga, is entertaining and can have some good tips here and there. Another thing I liked was the art, especially the girls (but not the occasional weird faces, one of the mangaka signatures).

The following is just my personal view and some super spoilers, so be warned:
Spoiler (mouse over to view)
I don´t like how it ended. I´m cool with Aiya getting to met his ex-girlfriend, the undone regret, and he moving on... But finishing the manga with Aiya sending the gang in some moral/philosofical search after his last lecture and then closing with a pretty sunrise... really?

We don't get to see our main male character getting to even first base with his girlfriend. Sure, they will do that and more eventually, but we don't get to see that. Geez... I wanted to see Kanji get some action, even if that happens some days after Aiya parting.

The MC:
-gets to cup a feel with his previous crush (1 boob, because Poppy was in control when he groped Morishita), but Aiya was missing and Kanji missed the chance to go beyond (he even didn´t kiss the girl).
-get lots of eyecandy from various girls (thanks to Aiya and Poppy).
-get lots of fun has "friends" with Saki.
-went on a pretty good date with Saki, but not getting beyond holding hands, sharing each other feelings and a cheek kiss.
He experienced some good things, some bad things, but I wanted to see he progress with his girlfriend after all he went through.

On the other hand... I didn´t like Waseda dating Morishita, it feels unfair. I mean, team Kanji-Aiya-Poppy-"author-san" gave him all he needed to get to know the girl, find a common interest HE is good at, and chances to meet with her and know her better. But Waseda didn't have to go through any of the uncomfortable experiences the MC has to, neither had to do some mayor effort. And when the MC wanted to try be a dog, for comic purposes, he isn't allowed.
First Waseda stalks Morishita, then he gets to do all those things when he was a dog, the girl starts missing him as a party partner, they meet again and get in a good mood, so start dating and ... he gets all of her! And he continue to act like a dog (overreacting and wagging his tail in front of his girlfriend).

Why the hell that creep gets the gamer girl with the most sexy body of the whole manga? The Author made things too easy for him, while the MC, after all the hurdles/trials that he has to surpass don´t get to kiss any girl, yet. Even if Waseda/Morishita is for the sake of proving a theory and comedy/irony, is still really unfair. Geez...

But I'm happy for Aiya. He reunited with his ex-lover and did a good job with the MC.

This was a long spoiler, hu?.

Despite what I wrote above I suggest you give it a try, I think is worth it.

... Last updated on July 28th, 2014, 8:15am
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A good manga with one exception   
Rating: N/A
by TurtleIsland
April 29th, 2014, 3:16pm
My only gripe with this manga is that
Spoiler (mouse over to view)
Waseda somehow someway is dating Morishita. How the author let that creep land Morishita after what happened is beyond me.

Nevertheless it's a good manga and the above doesn't affect it too much.

... Last updated on April 29th, 2014, 3:17pm
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