Postscript: Romaji and translation by Saya; color-coding by AquaChan.
Underlined name takes the main melody.

ねぇ　夢を見たんだよ　まっすぐ信じているのに
私怒ってた　愛を確認しちゃう
でも　好きだから　モテちゃう君に
YES　自然な行動と　やきもち焼いてた
ダーリン　許して

ねぇ　たまに不安だよ　チラリとあの子見たでしょ
だからキスをして　落ち込んじゃうよ
んー　甘えてる　甘えてるのは
NO　意地悪も　わかっているけど
愛の一部

Because happiness　十分な程
More happiness　幸せなのよ
世界一　ささいなことだって　笑ってる

Because happiness　頼りにしてる
More happiness　尊敬してる
このまま　なのにたまに困らせちゃう　
Ah Endless Woo Ah

Nee Yume wo mitan dayo massugu shinjiteiru no ni
Watashi okotteta ai wo kakunin shichau
Demo  suki dakara MOTEchau kimi ni
YES shizen na koudou to yakimochi yaiteta
DAARIN yurushite

Nee tama ni fuan dayo CHIRARI to ano ko mita desho
Dakara KISU wo shite ochikonjau yo
Nn~ amaeteru amaeteru no wa
NO ijiwaru mo wakatteiru kedo
Ai no ichibu

Because happiness juubun na hodo
More happiness shiawase na no yo
Sekaiichi sasai na koto datte [Ha/Ta] waratteru

Because happiness tayori ni shiteru
More happiness sonkei shiteru
Kono mama na no ni tama ni komarasechau
Ah Endless Woo Ah

Because happiness juubun na hodo
More happiness shiawase na no yo
Sekaiichi anna ni ooki na [Ha/Ta] yume ga aru shi

Because happiness nani wo tabete mo
More happiness oishisou na kao
Futari wa  kocchi made egao ni naru na
Ah Endless Ah Ah

Hey I saw a dream Even though I completely trust you
I got mad, I need to confirm our love
But because I love the popular you
YES　I got jealous of your natural actions
Darling Forgive Me

Hey Sometimes I get nervous You glanced at that girl didn't you?
So Kiss me because I'll get depressed
Hmm I'm acting spoiled, I'm acting spoiled because...
NO　I understand the maliciousness is
a part of love, but...

Because happiness　I'm plenty
More happiness　Happy
Your the best in the world at laughing at even trivial things

Because happiness　I rely on you
More happiness　I respect you
I want to stay like this even though it might be troublesome　
Ah Endless Woo Ah

Because happiness　I'm plenty
More happiness　Happy
You have the biggest dreams in the world

Because happiness　No matter what you eat
More happiness　You make a face like it was delicious
When we're together your smile spreads to me　
Ah Endless Ah Ah