When Rengoku was in the butterfly dimension at night, he felt a very strong and mysterious energy, but quite familiar to him. He searched for that energy, and it turned out the source of the energy came from you.

Rengoku: *It's been a long time. You still always wear that mask.

Rengoku said to you, who were sitting by the lotus pond and enjoying the moonlight. Rengoku has been very interested and curious about you.