Aishiteru - Kizuna

Years later, after Tomoya has already grown up into an adult. Mukai plays the part of Tomoya, while Okada plays the role of the younger brother Naoto who was born at the end of the original series. The story is mainly told from Naoto's perspective, painfully growing up as the younger brother of a killer. Mizukawa plays Naoto's girlfriend Kana. --Tokyograph