貝殻: shell

階級: class, rank, grade / 懐旧: recalling the old days, nostalgia, reminiscences

海軍: (military) navy

介病: nursing a patient / 怪猫: a monster cat / 海錨: sea anchor

鸊鷉, 鳰: grebe; little grebe

開催: holding a conference or event

怪物: monster

解像: resolution, as of a display screen or image / 改造: reorganization; revamping; remodeling / 晦蔵: a hidden talent; an undeveloped resource, a reserve

改造: to reorganize; to revamp; to remodel / 晦蔵: to hide one's talents

偕老: growing old together / 貝楼: / 回廊, 廻廊: corridor; cloister / 戒﨟, 戒臘: / 海老: lobster, prawn, shrimp / 海楼: / 皆労: