@UnknownSaint111 Did it get axed? It said it has three volumes and was completed. I could honestly see the romance developing, considering in only eight chapters we see the rich girl change her personality to care more about savings because she was influenced by the male lead.
Male characters besides MC's dad are all named after the boy band KAT-TUN.
Based on the author's note in 13.5 it was inspired by this? https://mydramalist.com/56-tatta-hitotsu-no-koi