From BangAQUA:
Pairing: Allen x Kanda
V1: Kanda don't want to have nothing with the little child's and so they got in troubles because they know "Mama" don't want to be they Mama...
V2: Kanda get a lovely night and his body got the "pain" in the next norming. The Yuu and Aren think it's Allen fault and he, Daddy, is bulling Kanda, Mommy. They stop trust Allen because of that…