Tteok Hanimman Meogeojuseyo!

The younger brother tiger killed the mother of the young siblings 'Wol' and 'Myeong'. In order to be forgiven for his younger brother's sin, the older brother tiger visits the siblings' house every night and protects them from wild animals. As time passes, the older brother 'Wol' gradually falls in love with the affectionate and sexy older brother tiger...

(Source: Lezhin, translated)

Note: Part of Lezhin's Jeollaeyahandonghwa (전래야한동화) Collection.