Rikei ga Koi ni Ochita no de Shoumei shitemita. Temporada 1 Episódio 3

When Himuro finds out that her junior in the Ikeda lab, Kosuke, has spent over 220 thousand yen on his beloved Aika and holds her every night when he goes to sleep, she is shaken by the realization that the only present shes ever given Yukimura is a notebook, and that shes never held him while she slept. She worries that she cant objectively call what she feels love. As Yukimura and Himuro endlessly debate love using numbers, Kanade proposes that the two of them go on a date, but...