Boon adjective – Likely to seek or enjoy the company of others. Enjoyable and boon are semantically related. In some cases you can use "Enjoyable" instead an adjective "Boon".
Enjoyable adjective – Giving pleasure or contentment to the mind or senses. Boon and enjoyable are semantically related. Sometimes you can use "Boon" instead an adjective "Enjoyable". Nearby Words: enjoy, enjoyment, enjoyed, enjoying
This also means that the untranslated work is still enjoyable for non-Japanese speakers, which is a boon since it hasn't been officially released in the West (though an unofficial scanlation is floating around on the Internet).