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This manga consists of oneshots that are loosely connected with each other.

Chapters 1 and 3 focus on the new relationship between Shiba, a high-school student, and his teacher Onosaka. Things are not going well -- sensei has an inferiority complex because Shiba likes large-breasted girls.

Chapters 2 and 4 are about Inuo (a friend of Shiba's, who's quite the player with girls) and Natsuda, a boy with whom he finds himself in a love hotel the morning after a wild party. Inuo would just like to forget everything because he's definitely not gay, but Natsuda wants to be his friend so badly that he can't turn him down. Natsuda turns out to be a cheerful and engaging companion, and Inuo starts to spend more and more time with him, going to movies and hanging out. But when he finds himself embracing Natsuda again, he pushes him away -- because he's definitely not gay!

Chapter 5 introduces Shiba's brother Keisuke and his friend Aki. Aki wants to do more than kiss, but Keisuke only went along with the kissing because it was Aki who asked him. So now that summer break has arrived he avoids Aki. But when Aki stops calling and avoids him in turn, he's not happy at all.

Chapter 6 is an unconnected oneshot called Yasashii Kuchibiru (Gentle Lips). Yuki and Kaneda are childhood friends, neighbours, and more, but Yuki never seems to have time for Kaneda.

Chapter Extra: Secrets of a youth Kei and Aki three years later and now in high-school dealing with some "growing pains".


Related Series

Associated Names
Secrets of a Youth
Shishunki no Himitsu
Tsu yo ga ri & Hidari mune wa Romanticist
Tsuyogari & Hidarimune wa Romanticist
Tsuyogari (NEKOTA Yonezou)
Yasashii Kuchibiru

Groups Scanlating

Latest Release(s)
v.1 c.Extra by Nakama over 9 years ago
c.Oneshot by Moya over 12 years ago
v.1 c.1-6 by Hochuuami & Nakama over 14 years ago
Search for all releases of this series

Status in Country of Origin
1 Volume (Complete)
- Re-print 2008/4/1

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 7.8 / 10.0 (422 votes)
Bayesian Average: 7.71 / 10.0
 18% (75 votes)
 17% (70 votes)
 28% (120 votes)
 16% (66 votes)
 10% (43 votes)
 6% (25 votes)
 1% (6 votes)
 2% (7 votes)
 1% (3 votes)
 2% (7 votes)

Last Updated
September 15th 2016, 8:07pm PST



Category Recommendations





Original Publisher
Biblos (2003)
Libre Shuppan (2008)

Serialized In (magazine)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #604 increased(+70)
Monthly Pos #1292 increased(+200)
3 Month Pos #1853 increased(+708)
6 Month Pos #3265 increased(+202)
Year Pos #3726 increased(+763)

List Stats
On 192 reading lists
On 201 wish lists
On 1873 completed lists
On 14 unfinished lists
On 365 custom lists

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User Comments [ Order by usefulness ]

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Rating: 3.0 / 10.0
by Himeowchama
February 27th, 2017, 5:57am
Chap 1 and 3 are fine, I guess. It's just that the seme kinda bullies the uke that eventually crosses the line.
Story 2 HAD potential. The story started in chapter 2 anf it was realllyyyy good. However in Chap 4, it was annoying me in the later part when they had sex. I was reallyyyyy annoyed when the seme started to laugh at the uke for walking so weirdly. Like who tf's fault was that? He even skipped school bc of it. He could've been more gentle with the uke after sex, but noooo. He'd rather laugh his butt off bc the uke walks weirdly. Eugh.
Chap 5 comment. I feel like a shotacon if I comment on a kid's lovelife lol.
Chap 6 was idk. I just got sooooo bored (and turned off) that I didn't bother finishing it.
Overall, the manga was eh. I guess it was okay. Some of the uke just looks quite pitiful somehow. And I honestly felt no love from the seme (except in Chap 2, and only in chap 2)

... Last updated on February 27th, 2017, 6:04am
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Nothing exceptional   
Rating: N/A
by OmNom
April 17th, 2015, 5:58pm
I remember my first time coming across this manga a few years ago, and it was an absolutely horrid experience, causing me to ignore the author like the plague in a long time. Now that I've had my fair share of BL after years spent on it, I gotta say the manga's actually more tolerable than my first impression, though that's not saying much to be honest. The stories are still the same formula, with typical seme-uke dynamics and characterisations, eg in both the first story and last one-shot, the seme's a douche and the uke's hopelessly pathetic, which is never a good device yet sadly overused a lot of the times. The artwork is also so-so, it's neat and clean, but not very expressive or pretty enough for my taste. I guess the chibis and the humour are the only saving points for me.
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Definitely Cute! ♥   
Rating: 10.0 / 10.0
by fisukisuki
September 18th, 2012, 11:57pm
I don't know this one could be sooo cute! smile To think this one is made by Nekota Yonezou-sensei, i think this one kinda... kinda... how should i say? Her manga is good, and unique. Which mean so different from others, and quite my favorite. But this one is kinda different. Though still showing so many side that this one is definitely Her work, but still kinda different. Or maybe because this one is the 'old' one? Well... whatever. I LOVE IT! (●´□`)~♥ Hooo My FAVE AGAIN!
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Rating: 2.0 / 10.0
by Nyajinsky
November 3rd, 2011, 12:38pm
I read it cause it's from the same mangaka as Otona Keikenchi, which I loved.
but this wasn't good at all. especially the first story about a student and teacher, but I guess every manga where the teacher is uke is going to be bad. I didn't like him at all. he was so childish, the second couple was better but not great. and it was just too fast. so if you are reading yaoi just for H scenes, you can go for it. but don't wait a story.

okay, I admit it was cute, but maybe too cute. i mean the second uke (crybaby), and that story about the middle schoolers?? well, just saying.

... Last updated on November 3rd, 2011, 12:41pm
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Rating: 7.3 / 10.0
by Oriolidae
February 5th, 2011, 3:25pm
Haha, everyone in this series is either gay or a woman. That's so cliché. But putting that aside, this is still a good yaoi story. The plot is (not surprisingly) not really that substantial - but the art and the hotness is in good shape, so this is above average in my opinion.

Spoiler (highlight to view)
Onosaka (the sensei) is right; Shiba x Inou would be awesome
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Good read   
Rating: 9.0 / 10.0
by Sakura_Hikizaki
September 6th, 2009, 8:37am
I really enjoyed this with most of this manga ka's work. Over all it was good read but not one of my fave. (as in I won't be re-reading it anytime soon). It was cute and funny reading. I really liked the art work too. Over all I would still recamend this to Yaoi fans to read.
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i found it..   
Rating: 10.0 / 10.0
by Dragoness57yaoi
July 7th, 2009, 9:45pm
it was insanely cute.. i suppose i have a thing for insecure semes.. so this was great for me ;D

the inuoxnatsuda pairing definitely made me curl up and fawn.

it's also enjoyable that the oneshots are connected =]
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Rating: 7.0 / 10.0
by happyliez
January 27th, 2009, 2:52am
Trite but good for a one time read and has really good art.

BTW, I want to congratulate whoever scanlated this for getting the spelling of "definitely" correct. I'm not a grammar nazi or anything, but that one word ALWAYS PISSES ME OFF. :3 Thanks for reading.
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Rating: 8.0 / 10.0
by voraciouszest
November 29th, 2008, 5:02pm
Tsuyogari was one of the first Yaoi series I'd ever read and because of that, I will always speak kindly of it. The stories are cute and the characters are interesting. There were only a few things I found disappointing about it though. First of all, it was a little underdeveloped. Secondly, the characters were a little shallow. But most of all, I found it annoying to have the Seme and Uke roles so obvious in character and style.
That being said, I still love Tsuyogari. Chapter Five is my favourite of the volume, probably because it is innocent and the characters aren't so heavily stereotyped.
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Rating: 9.0 / 10.0
by Sleepy_Sheepy
September 22nd, 2008, 11:24pm
Christ Natsuda is cute! Even the outfits he wears.

Any way the first couple, the student and the teacher, are alright, but not my favourite. Inuo and Natsuda are though, the way Inuo shifts from being sure he isn't gay, to being confused, to realizing he is in love is really quite adorable, and Natsuda's willingness to try to just be friends to get closer is so sweet. The last part about the kids was cute too, it really drove across how hurt the other boy felt. I think it's kind of funny that every one in this series is gay though.

Oneshot is reviewed on it's own page.
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