The person who called Ryuto to the gym at night was actually Maria. She confesses her desperation to become Ryuto's first, even if that means dressing and acting like Runa. Ryuto is shocked. As the two talk it out, someone else watches from the shadows.
Oh, wait. Are you the boyfriend 
dude Runa was talking about?
مهلًا. هل أنت الحبيب الذي كانت تتحدث رونا عنه؟
Ach so, bist du womöglich Runas Liebster,
von dem sie gesprochen hat?
Espera, ¿eres el novio
del que tanto habla Runa?
Espera, ¿eres el novio
del que tanto habla Runa?
Ah ! Tu serais pas le petit ami
dont Luna m’a parlé ?
Ah, aspetta. Per caso sei il fidanzato
di cui mi parlava Runa?
Ah! Por acaso você é o namorado
de quem a Runa estava falando?
А, погоди, ты тот самый парень,
о котором Руна говорила?