Anasui's most significant character trait is his obsessive love for Jolyne. Having fell in love with her at first sight,[6] he explains that it's her focus and determination[7][8] that inspires and gives him hope for his future.[9][10] More specifically, he believes that he could be "purified" through his feelings for her.[11]

As a self-declared beacon of Jolyne's affection, Anasui's main goal is to act as her protector, hoping to make himself indispensable enough so that Jolyne loves and relies on him even more than Jotaro Kujo or Weather Report.[8] He publicly declares that he's going to protect Jolyne with all his strength[6] and is willing to sacrifice himself for her sake, such as when he tells Foo Fighters to take his dying body to save Jotaro's DISC.[12] To this end, Anasui will take any opportunity to absorb damage inflicted on Jolyne through his Stand ability, demonstrated when he absorbs C-Moon's gravity reversal into his arm to buy time for Jolyne to attack.[13] His desire to become Jolyne's protector can become excessive and he once ordered F.F. to make Jolyne trip just so he could catch her