須藤 和志
from Overflow
Both Ayane and Kotone are Sudou's childhood friends. The three lived together like they're actual siblings when they were kids, and now the girls often stay at his apartment as well, even if uninvited.
Overflow
"Brother, are we really taking a bath together?" And so, a forbidden bathing experience began. Me, my sister, and childhood friend—one man and two women—are sharing one bath. After involuntarily "overflowing," the sister's secret love come out?! This is a young romantic comedy that won't let you say, "it's over!" (Source: Official site)
