Mei's father, Aihara Shou suddenly returns home. While Yuzu is surprised to meet him for the first time, she explains to Shou how hard Mei's been working for the academy. However, Mei screams at her to stop  when Shou just silently averts his eyes with hesitation. Shou tells his daughter, "I'm not returning to the academy." Yuzu is unable to say anything as Mei runs away to their bedroom, and that night she tries speaking to Mei again.
we designate this angle between vector 
alpha and vector beta as theta.
so nennt man den Winkel zwischen
Vektor Alpha und Vektor Beta Theta.
et non son père…
i sentimenti di Mei?
o ângulo entre os vetores alfa e beta
é designado com a letra grega teta.
обозначим угол тета между
вектором альфа и вектором бета...