Author a little bit of suggestion from mim.
holidays theme.... like in Christmas you would make your own design of your mascot be like christmas-y theme then after that. can u have mikudex be u know.changed at times to times (like maybe following with the themes or shits) also maybe yknow can you do the bg song in the manga,manhwa,manhua etc like in webtoon things.(if theres anything that is already done here im sorry to make you guys waste your time to read this useless suggestion)