Ota X Nail - Plamo Danshi, Gal No Tsume Wo Nuru summary:

Kaminuma Rikuto is an otaku high school boy who loves Plamo. He has been estranged from his childhood friend, the gal Amagase Misora, for the past few years, but due to certain circumstances, the two meet unexpectedly. The trigger is...nails!? It was awkward for the two of them to meet again for the first time in several years, but Rikuto's love of plastic models got excited and he took on the challenge of nail!"Then, the relationship between the two, who had been confused, gradually grew closer..."A romantic comedy where you can connect with.