Noir is the 3rd son of a poor noble and his job position is taken away by a more powerful noble. He also sadly lacks enough skills to attend the Hero Academy. He tries to find a way to be able to use his skill [Great Sage] better and stumbles across a hidden dungeon.
If you do something that feels good, 
your satisfaction gets turned into LP.
إذا فعلت شيئاً يُشعرك بالرّضا، يتحوّل
هذا الرّضا إلى نقاط حياة
Wenn du etwas Angenehmes tust,
Si haces algo que se sienta bien,
tu satisfacción se convertirá en PV.
Si haces algo que te guste,
tu satisfacción se convertirá en PV.
Lorsque tu fais
quelque chose d’agréable,
Se fai qualcosa di piacevole, 
la tua soddisfazione viene convertita in LP.
Quando fizer coisas que te agradam,
sua satisfação se tornará LP.
Совершаешь нечто приятное, и твоё 
удовлетворение превращается в ОЗ.