Highly suggest these upgrades:

Amenokagami I, II
Amenotori I, X
Inubashiri I, II
Tajikara I, II
Ninigi I, II
Kukurihime I, II
Shinatobe I, II
Wadatsumi I, II
Hinokagabiko I, II
Takehaya I, II, III
Yumitsukai I, II, III, IV
Fukurokuju I, II, III
Daikoku I

29/68