Aimai na Wolfあいまいなウルフ; Chú sói mờ ám; Ambiguous Wolf; Wolfsgrau und geheimnisvoll; 어설픈 늑대; Kind of a Wolf

Kaneki has an annoying & noisy neighbour Hayato. One day, Kaneki's cat wanders into Hayato's place & when he goes after it, he sees Hayato with ears & tail?!