Milk Sugar Baby Love You

Saeki, a nursery school teacher who adores cute things, feels insecure about his large, bulky frame. One day, he’s tasked with training a new trainee at the daycare, only to discover it's Noa, his neighbor who playfully squeezed his pecks the night before!
"Saeki-sensei, you're so cute..."
As they spend more time together, Noa finds himself increasingly drawn not only to Saeki's soft pecks but also to his awkward yet heartfelt kindness...

(Source: MUGENUP, translated)

Note: Includes one extra chapter.