Danbooru-based image board with a specialization in high-quality images.
ano_natsu_de_matteru kirishima_kaito megane pantyhose seifuku takatsuki_ichika tanaka_masayoshi tanigawa_kanna yamano_remon

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They used AnoHana's art style. I like this.
Animation Studio: J.C.Staff
Hmm...
Well we will see.

But the glasses girl named Ichika is the heroine?
TBH Lemon or Mio are looking much more attractive.
Well, it's going for another Onegai Teacher I guess, even if the girl isn't older than the protag, she SURE DOES LOOK older.
So yeah, it has a bit of shotacon or mother complex (depending on where we look at it) vibe to it.