Akkun to Kanojo Temporada 1 Episódio 3

Akkun reveals to his younger sister Chiho Kagari on how he has perfectly calculated Nontans eating habits, including her average number of chews per food item. While Chiho is absolutely disgusted with her older brothers stalker tendencies, she is likewise smitten with Nontan and doesnt hesitate in showing her hospitality, although she hides her own feelings as well.