Ashita Kimi ni Ai wo Sasayaku

Years after a personal tragedy struck his life, Mei struggles to deal with its implications as an innocent bystander is sucked into his tangled web. Told from Mei's point of view, this story falls some time before the conclusion of its prequel.

Included in Book "Beautiful Days" as 7th story.
Prequel:
Kyou Anata ni Wakare wo Tsugemasu (ch 6)
Sequel:
Yesterday We Will Embrace Our Sins (ch 8)