Shuki Shuki Max Heart♡

Ryukujin, a hard-working student who lost his father when he was young and his mother was sick, spends his days working part-time, and for many years he had unrequited love for his childhood friend Torayuki. However, when he realized that they were in love with each other, his excitement suddenly leaps when he suddenly started to leap through time!

(Source: MU)