Answer

Answer is the opening theme to the Full Dive Anime. It's performed by Mayu Maeshima.

Lyrics
Romaji= Kono sekai wa tsuneni makindesu watashitachiha watashitachi o michibiku hikari no kotae o mitsukeyou to shimasu, kyūkyoku no shirei-kandesuga, watashi wa anata ni iwanakereba narimasen, sore wa hontōni tanjunde wa arimasen nikushimi ga ari, hi ga ari, watashitachiha fubyōdōdesuga watashi ga hoshī no wa heiide, muzukashiku wanai, tada heiwa ni kurashitai, kotae! Kuro, shiro ni unzari shite iru, nani ga tadashī no ka? Watashi ga nani o subeki ka, watashi ga nani o erabubeki ka wakaranai pakku o erabu keikoku ga kaka rete imasu masatsude sae hikari o toriireru tame no hōhō yogaakeru to, watashi no kokoro ga agatte iru to handan suru hitsuyō ga aru baai wa hikarimasen uso wa mada watashi wa sore ni nemuru kamo shirenai



Kanji= この世界は常にマキンです私たちは私たちを導く光の答えを見つけようとします、究極の司令官ですが、私はあなたに言わなければなりません、それは本当に単純ではありません憎しみがあり、火があり、私たちは不平等ですが私が欲しいのは平易で、難しくはない、ただ平和に暮らしたい、答え！黒、白にうんざりしている、何が正しいのか？私が何をすべきか、私が何を選ぶべきかわからないパックを選ぶ警告が書かれています摩擦でさえ光を取り入れるための方法夜が明けると、私の心が上がっていると判断する必要がある場合は光りません嘘はまだ私はそれに眠るかもしれない



English= this world's always makin' us try to find an answer a light that'll lead us through, the ultimate commander but i gotta tell you, it really ain't that simple there's hate, there's fire, we are unequal but all I want is plain, not difficult just wanna live it peaceful, Answer!! sick of black, white, what is right? don't know what i should do or what I should be choosing pick a pack a warning's written  How to bring the light in even in friction  wakin' up a roring night won't glow if have to nor try determine my mind's up  is such a lie still i might sleep on it