Usually if I can get one ending, I can't get the other, haha. Managed to get both this time round!

Only managed to unlock one special story, which is #4. :( Would be trying other people's walkthroughs when they post them.

These are how I got my Happy Ending + Super Happy Ending!

Edit @ 8/8/15, 10.03pm: Unlocked secret story #1 from this walkthrough. (◡‿◡✿) 

Episode 1

Episode 1

• A. "If I tell you, will you be angry?"
• B. "I feel the same."

Episode 2

• B. "I WILL leave if you talk more than a minute."
• C. "Talking about marriage"

Episode 3

• C. "Well, excuse me for interrupting!"
• A. "Aren't proposals supposed to be romantic?"

Episode 4

• C. "There's something about him"
• C. Ask, "Can I ask you a question?"

Episode 5

• B. "How is the rolled omelette?"
• A. "To me, that time is precious"

Episode 6

• A. "It's so hard..."
• A. "Either one"

Episode 7

• A. "Shizuoka's a really big place"
• C. "What did you say just now?"

Episode 8

• A. "Do you prefer beer or sake?"
• C. "We shouldn't pressure him..."

Episode 9

• B. "Then you have to look out for me all the time"
• B. "You can have my tea!"

Episode 10

• B. "But that's not what Kai wants"
• A. "Are we continuing our engagement?"

Episode 11

• C. "Because they are not your enemies"
• A. "How about a letter?"

Episode 12

• B. Chase after Kai
• A. "I refuse to choose another fiance"

1/3 no Kareshi
13nichi wa Kin'youbi? ♫
18 Diary
23:00 ♫
24 Colors - Hatsukoi no Palette ♫
37°C no Boyfriend ♫
7th Period is a Secret ♫
AAA ♫
Ability Shop ♫
Absolute Boyfriend ♫
Akaku Saku Koe ♫
Akai Michi ★
Akuma de Koibito ♫
Akuma ga Hallelujah ♫
Akuma na Cupid
Akuma to Dolce
Akuma to Love Song 42 ★
Ai Hime ~ Ai to Himegoto ♫
Ai Kara Hajimaru ♫
Ai no Tame ni ♫
Aishiteruze Baby ♫
Alladin and the Magic Teapot ♫
Ama Iro Omoi
Amai Kamiato
Anata e no Crescendo ♫
Anta Nanka Daikirai ♫
Angel Sky
Animal Jungle ★ ♫
Another Kingdom ♫
Anti-Chocolate ♫
Antique Wish e Youkoso
Anya Kouro
Aoi Kiseki ♫
Aoi Spice ♫
Apple!
Apple-Cheek Love ♫
ARISA 13 ★
As the Death God Dictates ♫
Asa mo, Hiru mo, Yoru mo ♫
Atashi wa Bambi ♫
Atsu Atsu Trattoria ♫
Baby It's You
Baby, Star
Backstage Prince ♫
Badminton Girl ♫
Bambi ♫
Bara to Dangan ☃
Ba-thump Ba-thump Diary
Beast Master ♫
Beautiful Fascination is Better Than Love ♫
Beautiful Name
Beauty Pop ★ ♫
Benkyou no Jikan ♫
Bet!!
Bitter - Nakechau Koi Monogatari ♫
Bitter Trap (TAKAGI Shigeyoshi)
BioPlanet WoO ♫
Birthday Presents
Bishounen Shichihenge
BlackxBlack
Bloodline
Bloody Kiss ♫
Blue (SAKISAKA Io) ♫
Blue Ramun ♫
Boku ga Utau to Kimi wa Warau kara ♫
Boku ni Natta Watashi ♫
Boku wa Kisu de Uso wo Tsuku ♫
Bokura No Ibasho ♫
Boyfriend ♠ ♫
Brand "Peace" ♫
Brilliant Magic ♫
By Hero
Canaria Child ♫
Cardcaptor Sakura ♫
Celebrity Yuukoujouyaku ♫
Celeste Blue
Charisma Doll ♫
Charming Junkie 13
Chekera!
Cherry Juice ♫
Cherry Love ♫
Chikyuu Kanrinin ♫
Choco to Mint to ♫
Chocolate Cake, Shooting Star
Chocolate Cosmos ♫
Christmas ni Kagayaku
Clash ♫
Complex (shoujo) ♫
Crazy Love Game ♫
Crimson Hero 55
Cross (OOGA Asagi) ★
Crybaby Betty
Cole
Con Con x Honey ♫
Cool Lady
Cosmos
Couple
Covered in Cinders
Cynical World
D. N. Angel 10
Dakedo Happy Paradise ♫
Daisy
Dakishimete! Noir ♫
Darenimo Ienai! (SAIJYO Ayano)
Darling Only You! ☃
Datte Suki Nan Damon ♫
Dear Green (SAKURA Amyuu)
Death Note ♫
Death Song ♫
Dengaki Daisy 25 ★
Deserted Place
Deep Love Virus ♫
Dirty Work
Do You Want To Try? ♫
Doctor Bird ★
Dokusen Happiness
Door to Heaven
Dou Danjo!? ★ ☺ ♫
Doubt (TONOGAI Yoshiki) ★ ♫
Dr. wa Ijiwaru na Kiss de ♫
Dr. wa Sotto Dakishimeru ♫
Egaku Nara Happy Ending ★
Eien no Omoi wo Kimi ni
Eikaiwa School Wars ♫
Eikoku Kizoku Goyoutashi
Enren Lover
Ever Share Color
Extra Heavy Syrup ♫
Fairy Tail 101 ★
Fall In Love Like A Comic ♫
Family Complex ★ ☺ ♫
Fantasm ★ ♫
Faster than a Kiss 16
Fly High! ♫
Flying Bunny
For Someone
Fruits Basket ★ ♫
Full Moon Joker ♫
Full Moon wo Sagashite ♫
Futagami Double
Gakuen Alice 135
Gakuran Ouji ♫
GALS! ★ ♫
Gar to Oujisama
Garakuta Tenshi
Genius House
Get Chu ! ♫
Ghost Logic ★
Giri Koi ♫
Glittering X-Mas Story 2003 ♫
Gold Rush 21 ♫
Gong Bao Chicken
Good Father ♫
Good Morning Call ♫
Goshimei desu! ♫
Goth ★ ♫
Grant My Wish, Aizen ♫
Grim Reaper ♫
Gyutto Shite Chuu ♫
Gokuaku Drop
Gokujou Twins
Guuzen ka Unmei ♫
H2 Love
H3: Happy Hustle High ♫
Hadaka no Oujisama (MIYUKI Mitsubachi)
Half and Half ☺
Haikei, Nanashi-sama
Hairstyle Amanojaku Shiyou
Hajimari no Kotoba
Hajimete...
Hana Sakasu Te
Hana to Akuma 54 ★ ☃
Hana no Namae ♫
Hanakanmuri no Hime ♫
Hanamaru GO! GO! ♫
Hanasaki Sentimental ♫
Hanatsuki Hime ♫
Hanbun no Tsuki ga Noboru Sora ♫
Hanbun wa Ai de Dekitemasu
Hand-in-Hand Lovers
Hanirabi!
Happiness (YOSHIZUMI Wataru) ♫
Happy Valentine
Harem Lodge ★ ☺ ♫
Harenchi (AKIRA Shouko) ♫
Harumachi Platform
Haruyuki Bus ♫
Hatsukoi - Host ♫
He's Dedicated to Roses ♫
Heart no Kuni de Ochakai ♫
Heart no Present
Heaven's Will ♫
Hidarite no Love Letter
High School Debut ★ ♫
Hikitateyaku no Koi ♫
Hitomi kara Destiny
Hissatsu! Madonna Densetsu ♫
Himitsu no Shitsuji-kun ♫
Himitsu no Sono Ato
Hizamazuite Ai wo Chikae ♫
Honey*Witch
Honki de Nakechau Koi ♫
Hoshi no Koe ♫
Houkago Kiss
Hug!
Hyakkiyakou Juliet
Hyakujuu Kingdom ☃ ♫
Ichigo Channel ♫
Iinazuke Ryokan ♫
Ijiwaru Shinaide ♫
Itoshi no Goshujinsama ♫
Invincible High School Girl
Inu Jikan ☃ ♫
ION ♫
Ipaasha
Jewelry Eyes ♫
Kaeru no Saiban
Kaichou wa Maid-sama! 51 ★
Kaichou-san no Koneko ♫
Kamisama Onegai!
Kamisama Hajimemashita 19 ★
Kanojo ga Cafe ni Kayou Wake ♫
Kanshakudama no Yuutsu ♫
Kara no Shounen ♫
Karakuchi Kakumei
Kare ga Shoujo Manga wo Yomuriyuu
Kareki ni Koi wo Sakasemasu ♫
Katekyo Hitman Reborn! 304 ☺ ★
Katakoi no Tsuki ♫
Kawaii Oresama
Kawaiitte Itteyo ♫
Kazekaze no Hito ♫
Kilala Princess ★ ♫
Kimi to Koi ni Ochiru Mahou de ♫
Kimi to Scandal! ♫
Kirei no Tamago ♫
Kiss/Hug ♫
Kiss x Miss
Kiss to My Prince ♫
Kissu de Mezame Sasete
Kitchen Princess ♫
Koakuma Lion
Koi (MATSUMOTO Tomo)
Koi no Ichibyougo
Koisuru Piano ♫
Koko Ni Iru Yo! ♫
Komaki x Kusame
Kono Ie de Kimi to ♫
Kono Koi wo Wasurenai ♫
Kon no Ki Konoha
Kuroneko Guardian
Kusuriyubi Hime ♫
La Suite D'amour Du Chat Noir ♫
Lample ♫
Limited Lovers ♫
Love & Noise! ♫
Love Gashapon ♫
Lovely Complex ★ ♫
Lovely Complex Plus ♫
Love Graduation
Love Love Shock ♫
Love Luck ♫
Love Story, Not!
Matryoshka
Max Lovely ♫
Megane Danshi Shinkasetsu ☃
Megane ni Koishite ♫
Merry Go Round in Wonderland
Monster and Child
Monster Soul ♫
Merupuri ♫
Meru Meru Mail ♫
Mademoiselle Butterfly ♫
Makimodoshi no Koi no Uta ♫
Mai Oriru Hana
Michi to no So Good
Minami no Jewel ♫
Moe Kare ♠ ♫
Momo Lover
Moonlight Goddess Diana
Mugen Dokei
Nageku Shinigami
Narabuna Kiken!!
Natsu no Koshien ♫
Natural Angel ♫
Nemunoki no Geshukusou
Nemurenu Chou ♫
NG x Baby
Nil no Koi☆Mahoujin
Nine Puzzle ♫
Noblesse 42
Nomino
Nonchan to Watashi
Nousatsu Rock Shounen ♫
Oishii Study ♫
Ojousama no Himitsu ★ ♫
Okosama Brat
Ookami Nanka Kowakunai!? ♫
Ootari Gakuen Shikkoubu ♫
Otogibanashi no Fude
Otokomae! Beads Club ♫
Otome no Sainou ♫
Orange Planet ♫
Orange Kiss ♫
Ore-sama Ouji ♫
Oshiete, Natsu
Otogibanashi de Himitsu no Kiss ♫
Otona Ni Nuts ♫
Ouchi e Kaerou ♫
Ouji na Geboku no Aishikata
Ouji Romantica ♫
Ouran High School Host Club 82 ★ ☺
Ousama Game (shoujo)
Oyayubihime Infinity ♫
Painful Love III
Pajama de Ojama
Pandora's Cube
Peter Pan Syndrome ♫
Petshop of Horrors ♫
Penguin Prince ♫
Penguin Revolution ★ ♫
Pink Choodai ♫
Pixie Pop ♫
Plastic Girl ♫
Princess Princess ☺ ♫
Princess Recipe ♫
Puramai Junkie ♫
Purikyu ♫
Purusatia no Densetsu ♫
Puzzle+ ♫
Quick Witted Boy
Random Walk ♫
Renai Library
Rensou no Aria ♫
Return (HIROSE Natsume)♫
Romeo x Juliet ♠
Rumors
Rumoured Girlfriend
Ryuusei Astromance ♫
S no Yuiitsu M no Zettai ★ ♫
Saboten no Himitsu ♫
Sakura Rhythm
Santa Claus Panic!
Sasagu Omoi wa Hana Meguri
Secret Kiss ♫
Seishun Panda! ♫
Seishun Survival ♫
Senaka no Otoko
Sentimental Honey
Setsuna Yuki ♫
She is Cinderella
Shinigami Lovers ♫
Shining Hearts ♫
Shinobi denai to!
Shinrei Tantei Yakumo - Akai Hitomi wa Shitteiru ★ ♫
Shinshi Doumei Cross ★ ♫
Shirayuki Poppu
Shiro no Keiyaku
Shounen x Cinderella ♫
Shoujo Eve Ringo Jikake no 24 Ji
Shoujo Shuutome no Yuuutsu
Shuu 7 ♫
Shuugaku Ryokou no Susume
Shuukatsu!! - Kimi ni Naitei ★ ☃ ♫
Skip Beat 160
Slice of Black Chocolate
Smash 1 ♫
Sokubaku Master
Sono Kuchibiru, Itadakimasu ♫
Sono Saki no Sweet
Sore demo Yappari Kimi ga Suki ★ ☃
Spicy Recipe
Special A ★ ♫
Star Blacks ♫
Suki nan Desu
Suki, Tokoro ni Yori Arashi ♫
Sweet Black ♫
Sweet 16
Sweet II
Sweetheart Devil
Suriipingu Biyuutei wa Nemurenai
Takarazora
Taiyou wa Kimi ni Kagayaku ♫
Taranta Ranta ♫
Tengoku no Honya
Tenjou no Kajitsu ☃ ♫
Tennenkei Ouji ♫
Tenshi Ja Nai! ♫
Tenshi ni Kiotsukero!
Tenshi ni Ki wo Tsukero!
TISTA ♫
Tonari no Shugoshin ♫
That Summer
The Castle
The Day of Revolution ☺ ♫
The Evergreen Tree
The Evil Prince
The Fairy and the Hunter
The King's Choice
The King's Pawnshop ♫
The Love's Red Signals
The Missing White Dragon ♫
The One 67
The Paradise of Wolves ♫
The Prince's Cactus ♫
The Story of the Gatekeeper
The Time Milk Wound the Spring
The Willow Tree
The World Ends With You ♫
The World God Only Knows 42
The Yellow Chair
This Time It Was A Kiss For Sure
Toki wo Kakeru Shoujo ♫
Tomodachi Kara Yoroshiku Desu
Tonari no Inuyama-kun
Toumei na Sekai ★
Travel To The Cats' Territory
Trouble in the Classroom
Trusty Bell - Chopin no Yume ♫
Truth of a Lily
Try Me Boy! ♫
Tsuki Iro Secret
Tsuki to Himawari
Tsuki no Waltz
Tsukiyo Zoushi ★ ♫
Tsukushite Agemasu ♫
Tsuyogari (FUJIWARA Kiyo)
Tokumei Egaogakari
Tonari no Danshi
Tongari Root ♫
Toraware Beast
Toraware no Minoue ♫
Two Cups of Coffee
Uchi no Hide
Ultimate Venus 18
Underground Kids ♫
Unforgettable LANGUAGE
Uniform
Urooboe Uroboros
Valentine Nanka Kowakunai!?
Vampire Game ♫
Vampire Knight 62 ★
Vampire Rose
Vampire to Shinigami
W-Juliet ♫
WANTED ★ ☃ ♫
Watashi no Cinderella ♫
Watashi no + Okusuri ♫
Watashi no suki na Souma-kun
We Can Fly!
Where the Wind Returns To
White Garden
xxxHolic ★
Yellow Pop
Yoru to Yakusoku
Yoru no Gakkou e Oide Yo!
Yoru wo Utau Kodomotachi ♫
You're My Girlfriend ♫
Yowaito Nikki
Yuki-doke no Netsu
Yume Kurai
Yume Midokoro
Yume no Shiro ♫
Yuru Koi
Yuuwaku (Takamiya Azuma) ♫
Zenbu Kimi no Mono
Zenbu Shiritai ♫
Zero Count ♫
Zodiac P.I. ★ ☃ ♫
[Last updated: Oct 7, 2010]