You can't find Gommu's house ^_^'
Korra 1st page scene 5 - Korra's love route . You unlocked 6th scene because you went lust route. For love route, you have to be mean to Korra
Korra 3rd page bottom - korrasami love - both in their love route and you done kuvira's love events (talk to kuvira) and then 'explore' option will show at night
Asami 1st page scene 4 - Asami lust route. You have to be mean to her to open lust route.