Suki na Ko ni Genkin Watasare nagara Kokuhaku sareta

After being confessed to by his crush, Tachibana, Fujiwara finds himself in complete bliss. When faced with such a joyful occasion, one would normally accept the confession immediately. However, Tachibana's method of confession is quite peculiar—she tries to show her love by handing him a wad of money! Reluctant about exchanging money for love, Fujiwara turns down the offer. Thus begins Tachibana's adorable attempts at gaining Fujiwara's affection. (Source: MAL Rewrite)