YOU SAID:

Tadashi and Hiro are doing a rivalry sparring, while Ayako and Lota don't care and are just there so they can power the franxx

INTO JAPANESE

忠とヒロをやっているライバルのスパーリング、綾子とロタの気があるだけ、franxx に電力を供給できるので、

BACK INTO ENGLISH

And, because it can supply power to franxx only be sparring rivals doing the Hilo, Ayako with Rota

INTO JAPANESE

ヒロ、ロタと綾子をやってライバルことだけスパーリング franxx に電源を供給できるので

BACK INTO ENGLISH

Hiro, Rota and Ayako rivals because it can supply power to do sparring franxx