Onii-chan Lab. — Chapter 2
48 pages, from Pink Rose Scans, released Oct 5, 2026.
Volume 1
Description
Ikezawa Sumire's three elder brothers, Asagi, Ai, Kon are so beautiful even friends get jealous! Sumire too loves Asagi and Ai, but for some reason she just can't like Kon. That reason is…!?
Adoptive siblings love.