"to end as a fruitless blossom": to end without bearing fruit (results)

in kambun, marks that are placed in the lower left corner of a character to indicate the reading order; types include ichiniten, kōotsuten, jōgeten, tenchiten, and reten

何が何でも: at all costs, whatever it takes

(Internet slang) virtual reincarnation as a beautiful young girl (an experience enabled by computer software such as VRChat or FaceRig)

耳飾り: earring

right by one's ear

耳垢: earwax

using up one's fortune on fine clothes

bringing oneself to ruin through extravagance in food

(Internet slang) I cried very hard