Responses
I think this is the one you’re talking about
https://www.mangago.zone/read-manga/dear_sister_i_ve_become_a_blessed_maiden/
Omg, Thank you so much!
Can you help me find a BL manhwa i forgot the name however it is a story about a guy where his sister was about to be summoned in another world instead he save her and he is the one who get summoned by a powerful wizard to be a mana replenisher my making contact with him.