Kono Yo no Hate de Koi wo Utau Shoujo Yu-no

Takuya Arima is a young student whose father, a historian who has conducted various investigations, disappeared recently. During a summer vacation, Takuya receives a peculiar package from his missing father, along with a letter containing information about the existence of various parallel worlds. At first, Takuya doesn't take it seriously, but soon he realizes that he possesses a device that allows him to travel to alternate dimensions. Is his father alive, after all? If so, where is he? (Source: VNDB)

Watch YU-NO: A Girl Who Chants Love at the Bound of This World - Crunchyroll

Anime, YU-NO Wiki

Kono yo no Hate de Koi o Utau Shoujo YU-NO BIG Acrylic Stand: Arima Ayumi - My Anime Shelf

Kono Yo no Hate de Koi wo Utau Shoujo YU-NO

Kono Yo no Hate de Koi wo Utau Shoujo YU-NO - PV 2

Kono Yo no Hate de Koi wo Utau Shoujo YU-NO – 18-26 » Nii-sama fansubs

Kono Yo no Hate de Koi wo Utau Shoujo YU-NO Reaction Episode 4 - Getting Serious.

Kono Yo no Hate de Koi wo Utau Shoujo YU-NO – RABUJOI – An Anime Blog

Kono Yo no Hate de Koi wo Utau Shoujo YU-NO - Episode 21 discussion : r/anime

First Impressions - Kono Yo no Hate de Koi o Utau Shoujo YU-NO - Lost in Anime