Combat options for Jun:
1) Why get the daughter when he could get the mother? Defeat Tomo's dad via NTR!
2) Why fight alone? Get Tomo to deal more critical (mental) damage before attacking!
3) Why bother with the girls? Defeat common sense by romancing the father himself!
4) Why bother with their family at all? Defeat the whole story by crawling back to Misuzu!
5) What story? Just pick some random schmuck off the street, even Carol's boyfriend will do, Jun!