Yukimura is working hard on his computer, as usual, when Himuro suddenly says, "I am in love with you. Her confession greatly shakes Yukimura. Unlike the last time, Himuro states her feelings matter-of-factly. Yukimura asks, "What theory did you use to determine that you love me?" Himuro replies by taking Yukimura out on a date and begins performing experiments they've done before such as measuring heart rates, using an emotion counter, collecting saliva, and the kiss experiment.
Either the person decides 
it arbitrarily themselves,
،سواءٌ يقرّر الشخص نفسه ذلك اعتباطيا
Die Personen entscheiden
dies entweder beliebig
O cada persona lo decide arbitrariamente
O cada persona lo decide arbitrariamente
Par le sujet ou l’observateur,
O una persona decide arbitrariamente
di essere innamorata,
Ou a pessoa decide arbitrariamente,
Либо человек определяет это
сам для себя,