A Bellyful Life seems to have a small bug where you cant use the bike pump on any other girls even if you drag the pump onto them from your inventory.
You really shouldn't waste your time drawing characters when there are lots of all ready characters made being given out for free with royalty free license. would you ever consider making a new version of this game with 3D models? There are plenty of 3D Models currently being Given away royalty free. https://www.dreamstime.com/stock-image-cute-elf-image3413391
Same goes for simple 2D drawings. https://publicdomainvectors.org/en/free-clipart/Anime-woman/39673.html
Many Free public domain anime girl drawings https://publicdomainvectors.org/en/free-anime-girl-vector