Bei Yuan realizes that he and his no-longer-little "little" toxin are now raising a "Little Toxin 2.0" with a few evolved features. Featuring Lu Ta, a blue frog, BeiYuan in a classroom of wailing toddlers, and WuXi being WuXi. Genre: Frog and Family Fluff. This fic is also available on AO3 under the same title and the same author username :)