This is an illustration card bonus for the manga "A Story of Falling in Love with My Friend's Sister" purchased from Kumazawa Bookstore. It was included with the manga I purchased on Rakuma. ⚫︎Purchase Date: January 13, 2026 ⚫︎Purchase Location: Rakuma ⚫︎Storage Method: Stored in a bag on a shelf ⚫︎Product Photo Shooting Date: January 13, 2026 ⚫︎Shipping Method: Yu-Packet Post Mini (Put in a bag → Reinforced with cardboard on both sides → Shipped in a dedicated envelope) #A Story of Falling in Love with My Friend's Sister #Kumazawa Bookstore #Manga #Illustration Card #Purchase Bonus