Based on the conversation on the show, the two of them have a sleepover at Chika's fancy house. Yumiko's happy to see Chika enjoy the dinner she cooked. Then for some reason, they end up taking a bath together. How did it come to this?!
Maybe I was trying really hard.
.ربّما كنت أبذل قصارى جهدي
und richtig angestrengt.
Quizá me he esforzado demasiado.
J’ai même fait de mon mieux.
e ce l'ho messa tutta.
Ou até me esforçando muito.
Трудилась, можно сказать.