Japanese in Anime: Monthly Girls' Nozaki-kun Episode 12

この気持ちが恋じゃないなら、きっと世界に恋はない。
Kono kimochi ga koi ja nai nara kitto sekai ni koi ha nai
― If This Feeling Isn't Love, Then There Is No Love in the World.

Apparently, the BD/DVD includes short OVA.

●男に貰って何だったら脈があるか、だってさ。
　Otoko ni moratte nan dattara myaku ga aru ka datte sa
― Things you get from a guy that mean you have a chance with him.

●サイン色紙かな。
　Sign shikishi kana
― I got an autograph.

色紙:

(irogami) colored paper
(shikishi) a square piece of high-quality paperboard

●この根性なしが。
　Kono konjou nashi ga
― You wimp.

[Brushup]
Barakamon Episode 9
○うっさか、ヘタレもやし！
　Ussaka hetare moyashi
― Shut up, ya wimpy bean sprout!

根性無し ≒ へたれ

●賞味期限は大丈夫だから。
　Shoumi kigen ha daijoubu dakara
― The expiration date is still okay.

賞味期限: appreciation expiration date
消費期限(shouhi kigen): consumption expiration date

●渡す気は満々だったんだけどね。
　Watasu ki ha manman dattan dakedo ne
― I had every intention of giving them to him...

(～する)気満々: be ready, willing and able

●おい！そこ女だらけだぞ！
　Oi soko onna darake dazo
― Hey! There are tons of girls over there!

～だらけ: lots of

●下調べじゃねぇの？
　Shitashirabe ja nee no
― He must be doing some research.

下調べ: preliminary investigation

●限定パッケージも装飾が凝ってるな。
　Gentei package mo soushoku ga kotteru na
― These limited-edition packages have relly elaborate designs...

[Brushup]
SPACE DANDY Episode 23
○わぁ今日の花火は一段と凝ってるわね！
　Waa kyou no hanabi ha ichidan to kotteru wa ne
― Wow, these are the biggest fireworks I've ever seen!

●売り場地味だし、パッケージ地味だし、お菓子も地味なんだよなぁ。
　Uriba jimi dashi package jimi dashi okashi mo jimi nandayo naa
― The stores are bland, the packages are bland, and the sweets are bland, too.

●野崎には義理チョコなしで。
　Nozaki ni ha giri choco nashi de
― No obligatory chocolate for Nozaki.

In Japan, Valentine's Day is regarded as the event in which women give men chocolate to show their affection.
But recently it's been too commercialized, so various styles have derived.

本命チョコ(honmei choco): chocolate for someone you really care for

e.g. crush or boyfriend

友チョコ(tomo choco): chocolate for friend
逆チョコ(gyaku choco): chocolate given by a boy to a girl

●以上、クラスメイトに誤解を与え続けて終わった野崎のバレンタインでした
　Ijou classmate ni gokai wo ataetsuzukete owatta Nozaki no Valentine deshita
― Thus, after creating endless misunderstandings for his classmates, Nozaki's Valentine's Day ended.

[Brushup]
Himegoto Episode 6
○だけどここでその格好は良い意味で誤解を受けるぞ。
　Dakedo koko de sono kakkou ha ii imi de gokai wo ukeru zo
― Though you being dressed like that here would spark some great misunderstanding.

●そこまで遡るの？
　Soko made sakanoboru no
― You're going that far back?

●鹿島くんはチョコをもらうの専門だよね？
　Kashima-kun ha choco morau no senmon dayo ne
― I'm sure you get chocolates, right, Kashima-kun?

専門: specialty

●このチョコには5カ月眠っていた私の恋心が詰まっているのかもしれないね。
　Kono choco ni ha gokagetsu nemutte ita watashi no koigokoro ga tsumatte iru no kamo shirenai ne
― but these chocolates might be packed with my love that's been sleeping for five months.

●拾って喰いな！
　Hirotte kuina
― Pick them up and eat them!

It's more common to call it 3秒ルール (sanbyou rule: three-second rule) than five-second rule.

●それで佐倉の気が済むのなら…
　Sore de Sakura no ki ga sumu no nara
― But if that'll make Sakura feel beter...

●お詫びに何か奢るよ。
　Owabi ni nanika ogoru yo
― I'll treat you to something to make up for it.

お詫びに: in apology for

●何かの隠語か？
　Nanika no ingo ka
― Is that slang for something?

●飴と鞭？
　Ame to muchi
― Candy and the whip?

●そんな悲観的になるなよ、鹿島。
　Sonna hikanteki ni naruna yo Kashima
― Don't be so passimistic, Kashima.

⇔ 楽観的(rakkanteki): optimistic

●君たち社交辞令はもっと分かりにくいように、だね？
　Kimi tachi shakou-jirei ha motto wakarinikui youni dane
― Could you two make it a little less obvious that you're only being nice?

社交辞令: diplomatic remarks

●着付けもばっちりだね。
　Kitsuke mo bacchiri dane
― You look really sharp.

See below.

●はぁ？日本人の嗜みだろ？
　Haa Nihonjin no tashinami daro
― Huh? But for a Japanese person, that's like a standard.

嗜み: accomplishment, appearance, manner

●イベントスチルどうするんだよ？
　Event suchiru dou surun dayo
― What about the still shots from the event?

"Still" is written as スチル in Katakana.

●今日の夕飯は屋台で済ませるか。
　Kyou no yuuhan ha yatai de sumaseru ka
― I guess we'll have dinner at one of the food stalls tonight.

●罰ゲームでデート中の悪友同士。
　Batsu game de date chuu no akuyuu doushi
― They don't get along, but they had to go on a date as a game penalty.

悪友 means "bad company", but it's also used to mean "good buddy."

[Brushup]
Barakamon Episode 8
○罰ゲームだろそれ
　Batsu ge-mu daro sore
― That's just torture.

●こいつ俺より想像力豊かだな。
　Koitsu ore yori souzouryoku yutaka dana
― His imagination's more abundant than mine.

●マミコがナンパされるであろう裏通り
　Mamiko ga nanpa sareru de arou uradoori
― The alley where Mamiko will probably get hit on...

[Brushup]
Himegoto Episode 8
○ナンパ男たちを追っ払ってやったんだから感謝しろよ。
Nanpa otoko tachi wo opparatte yattan dakara kansha shiro yo
― You should be thankful since we chased away the guys who were hitting on you.

●リボンの柄は違うが、もしかして佐倉？佐倉なんだな？
　Ribbon no gara ha chigau ga moshikashite Sakura? Sakura nanda na?
― The patterns on your ribbons are different. But could you be Sakura? You're Sakura, right?

[Brushup] Another meaning
Encouragement of Climb Season 2 Episode 7
○私の柄じゃないんだけど。
　Watashi no gara ja nain dakedo
― I don't think it's my style, though.

●どこで認識してんの？
　Doko de ninshiki shiten no
― How are you even identifying me?

●ちょっとじっくり見てもいいか？
　Chotto jikkuri mitemo ii ka
― Could I take a closer look?

じっくり: slowly and carefully

●着付け合ってる？
　Kitsuke atteru
― Did I put it on right?

Some people can put on a yukara, but only a few people can get dressed up in kimono.
cf. Barakamon Episode 10 (the difference between Yukata and Kimono)

●校門をよじ登りながら寝ている人がいる！
　Koumon wo yojinoborinagara neteiru hito ga iru
― Someone fell asleep while trying to climb the school gate!

よじ登る: shin up

When Sakura entered high school, her hairstyle looked like Mamiko's.

●あの胸に付ける花をもらうまでは帰れない。
　Ano mune ni tsukeru hana wo morau made ha kaerenai
― I can't go home until I get that flower we put on our chests.

Is this decoration common?

●特等席だね！
　Tokutouseki dane
― We have the best seats in the house!

特等席: special seat

●美しき三郎の舞…!!!
　Utsukushiki Saburou no mai
― The beautiful Saburo's dance!!!