It's the same joke from chapter 81: When Tama has her hair down, it has plenty of volume, but somehow her twintails are very thin. In Hana's dream this chapter, her twintails have the appropriate thickness, which looks off to Hana.
It's the same joke from chapter 81: When Tama has her hair down, it has plenty of volume, but somehow her twintails are very thin. In Hana's dream this chapter, her twintails have the appropriate thickness, which looks off to Hana.