Undercover College Debt - Keiji x Sou yttd

When reported for suspicious behaviour, Midori and Keiji must become undercover cops at a local college. Investigating, which seems like an easy task at first becomes increasingly difficult as Keiji gets distracted by another boy his age, Sou Hiyori (beanie man).
Character spoilers! Be warned!

Best rankings: #1 in Keisou, #1 in Shintsukimi, 1# in Keijishinogi and 1# in Souhiyori! Thank you all so much