Shy college student and otaku Miyako lives at home. One spring day, her little sister, Hinata, brings home a new friend she made at elementary school. From the moment Miyako sees Hana-chan, her heart won't stop racing! Desperate to make friends with the angelic Hana-chan, Miyako uses her skill at making sweets to try to lure her in, but...
Thinking back, why did I decide that 
I wanted to be friends with Hana-chan?
¿Por qué quiero
llevarme bien con Hana-chan?
¿Por qué quiero
llevarme bien con Hana-chan?
Pensandoci bene, quand'è che ho cominciato 
a diventare amica di Hana?
Pensando bem, por que comecei a
querer me dar bem com a Hana-chan?