I never thought she would actually meet his father again I kinda drop this when it was like 6 chapters thinking that it would be the same routine where she will be needed in her guild and never be able to meet his father but now I'm glad I decided to check this again and see it is not something...
this is making me believe more that the little sister is the one who destroyed the field, it could probably because he is not paying attention to her anymore or something and his childhood friend is just trying to protect it but misunderstanding happened
well I still need to read the remaining...